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Finding the Fourth Proportional to 656,078.70, 984,417.91 and 296,345.73

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Solution

The fourth proportional to 656,078.70, 984,417.91 and 296,345.73 is: 444,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,078.70 : 984,417.91 = 296,345.73 : x
  2. Step 2: Convert to fraction form
    656,078.70/984,417.91 = 296,345.73/x
  3. Step 3: Cross multiply
    656,078.70x = 984,417.91 × 296,345.73
  4. Step 4: Simplify right side
    656,078.70x = 291,728,043,423.16
  5. Step 5: Solve for x
    x = 291,728,043,423.16/656,078.70
  6. Step 6: Final answer
    x = 444,654.04

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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.