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Finding the Fourth Proportional to 532,839.55, 735,309.97 and 291,116.92

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Solution

The fourth proportional to 532,839.55, 735,309.97 and 291,116.92 is: 401,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,839.55 : 735,309.97 = 291,116.92 : x
  2. Step 2: Convert to fraction form
    532,839.55/735,309.97 = 291,116.92/x
  3. Step 3: Cross multiply
    532,839.55x = 735,309.97 × 291,116.92
  4. Step 4: Simplify right side
    532,839.55x = 214,061,173,711.69
  5. Step 5: Solve for x
    x = 214,061,173,711.69/532,839.55
  6. Step 6: Final answer
    x = 401,736.65

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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.