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Finding the Fourth Proportional to 584,924.60, 877,386.90 and 210,947.60

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Solution

The fourth proportional to 584,924.60, 877,386.90 and 210,947.60 is: 316,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,924.60 : 877,386.90 = 210,947.60 : x
  2. Step 2: Convert to fraction form
    584,924.60/877,386.90 = 210,947.60/x
  3. Step 3: Cross multiply
    584,924.60x = 877,386.90 × 210,947.60
  4. Step 4: Simplify right side
    584,924.60x = 185,082,660,826.44
  5. Step 5: Solve for x
    x = 185,082,660,826.44/584,924.60
  6. Step 6: Final answer
    x = 316,421.40

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Half scale
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Double scale
Find fourth proportional to 584,925.60, 877,388.40 and 210,948.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.