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Finding the Fourth Proportional to 632,252.71, 947,409.49 and 429,590.71

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Solution

The fourth proportional to 632,252.71, 947,409.49 and 429,590.71 is: 643,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,252.71 : 947,409.49 = 429,590.71 : x
  2. Step 2: Convert to fraction form
    632,252.71/947,409.49 = 429,590.71/x
  3. Step 3: Cross multiply
    632,252.71x = 947,409.49 × 429,590.71
  4. Step 4: Simplify right side
    632,252.71x = 406,998,315,469.84
  5. Step 5: Solve for x
    x = 406,998,315,469.84/632,252.71
  6. Step 6: Final answer
    x = 643,727.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.