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Finding the Fourth Proportional to 532,744.32, 735,192.72 and 291,034.56

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Solution

The fourth proportional to 532,744.32, 735,192.72 and 291,034.56 is: 401,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,744.32 : 735,192.72 = 291,034.56 : x
  2. Step 2: Convert to fraction form
    532,744.32/735,192.72 = 291,034.56/x
  3. Step 3: Cross multiply
    532,744.32x = 735,192.72 × 291,034.56
  4. Step 4: Simplify right side
    532,744.32x = 213,966,489,780.40
  5. Step 5: Solve for x
    x = 213,966,489,780.40/532,744.32
  6. Step 6: Final answer
    x = 401,630.73

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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.