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Finding the Fourth Proportional to 584,662.50, 876,993.75 and 141,430.50

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Solution

The fourth proportional to 584,662.50, 876,993.75 and 141,430.50 is: 212,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,662.50 : 876,993.75 = 141,430.50 : x
  2. Step 2: Convert to fraction form
    584,662.50/876,993.75 = 141,430.50/x
  3. Step 3: Cross multiply
    584,662.50x = 876,993.75 × 141,430.50
  4. Step 4: Simplify right side
    584,662.50x = 124,033,664,559.38
  5. Step 5: Solve for x
    x = 124,033,664,559.38/584,662.50
  6. Step 6: Final answer
    x = 212,145.75

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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.