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Finding the Fourth Proportional to 625,348.05, 933,445.61 and 537,168.21

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Solution

The fourth proportional to 625,348.05, 933,445.61 and 537,168.21 is: 801,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,348.05 : 933,445.61 = 537,168.21 : x
  2. Step 2: Convert to fraction form
    625,348.05/933,445.61 = 537,168.21/x
  3. Step 3: Cross multiply
    625,348.05x = 933,445.61 × 537,168.21
  4. Step 4: Simplify right side
    625,348.05x = 501,417,307,456.06
  5. Step 5: Solve for x
    x = 501,417,307,456.06/625,348.05
  6. Step 6: Final answer
    x = 801,821.17

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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.