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Finding the Fourth Proportional to 532,820.52, 735,343.18 and 291,139.84

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Solution

The fourth proportional to 532,820.52, 735,343.18 and 291,139.84 is: 401,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,820.52 : 735,343.18 = 291,139.84 : x
  2. Step 2: Convert to fraction form
    532,820.52/735,343.18 = 291,139.84/x
  3. Step 3: Cross multiply
    532,820.52x = 735,343.18 × 291,139.84
  4. Step 4: Simplify right side
    532,820.52x = 214,087,695,770.29
  5. Step 5: Solve for x
    x = 214,087,695,770.29/532,820.52
  6. Step 6: Final answer
    x = 401,800.77

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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.