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Finding the Fourth Proportional to 532,428.93, 733,503.20 and 370,991.07

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Solution

The fourth proportional to 532,428.93, 733,503.20 and 370,991.07 is: 511,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,428.93 : 733,503.20 = 370,991.07 : x
  2. Step 2: Convert to fraction form
    532,428.93/733,503.20 = 370,991.07/x
  3. Step 3: Cross multiply
    532,428.93x = 733,503.20 × 370,991.07
  4. Step 4: Simplify right side
    532,428.93x = 272,123,135,161.47
  5. Step 5: Solve for x
    x = 272,123,135,161.47/532,428.93
  6. Step 6: Final answer
    x = 511,097.58

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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.