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Finding the Fourth Proportional to 625,332.48, 933,470.76 and 549,665.52

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Solution

The fourth proportional to 625,332.48, 933,470.76 and 549,665.52 is: 820,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,332.48 : 933,470.76 = 549,665.52 : x
  2. Step 2: Convert to fraction form
    625,332.48/933,470.76 = 549,665.52/x
  3. Step 3: Cross multiply
    625,332.48x = 933,470.76 × 549,665.52
  4. Step 4: Simplify right side
    625,332.48x = 513,096,690,700.20
  5. Step 5: Solve for x
    x = 513,096,690,700.20/625,332.48
  6. Step 6: Final answer
    x = 820,518.22

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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.