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Finding the Fourth Proportional to 541,428.24, 747,160.20 and 299,710.76

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Solution

The fourth proportional to 541,428.24, 747,160.20 and 299,710.76 is: 413,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,428.24 : 747,160.20 = 299,710.76 : x
  2. Step 2: Convert to fraction form
    541,428.24/747,160.20 = 299,710.76/x
  3. Step 3: Cross multiply
    541,428.24x = 747,160.20 × 299,710.76
  4. Step 4: Simplify right side
    541,428.24x = 223,931,951,383.75
  5. Step 5: Solve for x
    x = 223,931,951,383.75/541,428.24
  6. Step 6: Final answer
    x = 413,594.89

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