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Finding the Fourth Proportional to 493,265.60, 739,898.40 and 440,734.40

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Solution

The fourth proportional to 493,265.60, 739,898.40 and 440,734.40 is: 661,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,265.60 : 739,898.40 = 440,734.40 : x
  2. Step 2: Convert to fraction form
    493,265.60/739,898.40 = 440,734.40/x
  3. Step 3: Cross multiply
    493,265.60x = 739,898.40 × 440,734.40
  4. Step 4: Simplify right side
    493,265.60x = 326,098,677,384.96
  5. Step 5: Solve for x
    x = 326,098,677,384.96/493,265.60
  6. Step 6: Final answer
    x = 661,101.60

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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.