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Finding the Fourth Proportional to 656,458.73, 984,854.16 and 183,143.73

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Solution

The fourth proportional to 656,458.73, 984,854.16 and 183,143.73 is: 274,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,458.73 : 984,854.16 = 183,143.73 : x
  2. Step 2: Convert to fraction form
    656,458.73/984,854.16 = 183,143.73/x
  3. Step 3: Cross multiply
    656,458.73x = 984,854.16 × 183,143.73
  4. Step 4: Simplify right side
    656,458.73x = 180,369,864,368.42
  5. Step 5: Solve for x
    x = 180,369,864,368.42/656,458.73
  6. Step 6: Final answer
    x = 274,761.93

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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.