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Finding the Fourth Proportional to 615,946.20, 923,228.10 and 349,834.20

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Solution

The fourth proportional to 615,946.20, 923,228.10 and 349,834.20 is: 524,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,946.20 : 923,228.10 = 349,834.20 : x
  2. Step 2: Convert to fraction form
    615,946.20/923,228.10 = 349,834.20/x
  3. Step 3: Cross multiply
    615,946.20x = 923,228.10 × 349,834.20
  4. Step 4: Simplify right side
    615,946.20x = 322,976,763,781.02
  5. Step 5: Solve for x
    x = 322,976,763,781.02/615,946.20
  6. Step 6: Final answer
    x = 524,358.72

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