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Finding the Fourth Proportional to 625,347.05, 933,444.11 and 537,167.21

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Solution

The fourth proportional to 625,347.05, 933,444.11 and 537,167.21 is: 801,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,347.05 : 933,444.11 = 537,167.21 : x
  2. Step 2: Convert to fraction form
    625,347.05/933,444.11 = 537,167.21/x
  3. Step 3: Cross multiply
    625,347.05x = 933,444.11 × 537,167.21
  4. Step 4: Simplify right side
    625,347.05x = 501,415,564,935.33
  5. Step 5: Solve for x
    x = 501,415,564,935.33/625,347.05
  6. Step 6: Final answer
    x = 801,819.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.