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Finding the Fourth Proportional to 669,051.60, 923,291.71 and 363,127.96

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Solution

The fourth proportional to 669,051.60, 923,291.71 and 363,127.96 is: 501,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,051.60 : 923,291.71 = 363,127.96 : x
  2. Step 2: Convert to fraction form
    669,051.60/923,291.71 = 363,127.96/x
  3. Step 3: Cross multiply
    669,051.60x = 923,291.71 × 363,127.96
  4. Step 4: Simplify right side
    669,051.60x = 335,273,037,426.10
  5. Step 5: Solve for x
    x = 335,273,037,426.10/669,051.60
  6. Step 6: Final answer
    x = 501,116.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.