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Finding the Fourth Proportional to 532,609.54, 735,000 and 290,892.13

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Solution

The fourth proportional to 532,609.54, 735,000 and 290,892.13 is: 401,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,609.54 : 735,000 = 290,892.13 : x
  2. Step 2: Convert to fraction form
    532,609.54/735,000 = 290,892.13/x
  3. Step 3: Cross multiply
    532,609.54x = 735,000 × 290,892.13
  4. Step 4: Simplify right side
    532,609.54x = 213,805,715,550
  5. Step 5: Solve for x
    x = 213,805,715,550/532,609.54
  6. Step 6: Final answer
    x = 401,430.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.