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Finding the Fourth Proportional to 625,186.48, 933,535.92 and 497,397.64

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Solution

The fourth proportional to 625,186.48, 933,535.92 and 497,397.64 is: 742,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,186.48 : 933,535.92 = 497,397.64 : x
  2. Step 2: Convert to fraction form
    625,186.48/933,535.92 = 497,397.64/x
  3. Step 3: Cross multiply
    625,186.48x = 933,535.92 × 497,397.64
  4. Step 4: Simplify right side
    625,186.48x = 464,338,563,463.23
  5. Step 5: Solve for x
    x = 464,338,563,463.23/625,186.48
  6. Step 6: Final answer
    x = 742,720.10

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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.