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Finding the Fourth Proportional to 584,872.40, 877,308.60 and 141,640.40

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Solution

The fourth proportional to 584,872.40, 877,308.60 and 141,640.40 is: 212,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,872.40 : 877,308.60 = 141,640.40 : x
  2. Step 2: Convert to fraction form
    584,872.40/877,308.60 = 141,640.40/x
  3. Step 3: Cross multiply
    584,872.40x = 877,308.60 × 141,640.40
  4. Step 4: Simplify right side
    584,872.40x = 124,262,341,027.44
  5. Step 5: Solve for x
    x = 124,262,341,027.44/584,872.40
  6. Step 6: Final answer
    x = 212,460.60

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Double scale
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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.