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Finding the Fourth Proportional to 429,419.24, 641,237.17 and 350,689.64

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Solution

The fourth proportional to 429,419.24, 641,237.17 and 350,689.64 is: 523,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,419.24 : 641,237.17 = 350,689.64 : x
  2. Step 2: Convert to fraction form
    429,419.24/641,237.17 = 350,689.64/x
  3. Step 3: Cross multiply
    429,419.24x = 641,237.17 × 350,689.64
  4. Step 4: Simplify right side
    429,419.24x = 224,875,232,301.92
  5. Step 5: Solve for x
    x = 224,875,232,301.92/429,419.24
  6. Step 6: Final answer
    x = 523,672.93

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.