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Finding the Fourth Proportional to 475,601.78, 656,330.30 and 260,737.23

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Solution

The fourth proportional to 475,601.78, 656,330.30 and 260,737.23 is: 359,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,601.78 : 656,330.30 = 260,737.23 : x
  2. Step 2: Convert to fraction form
    475,601.78/656,330.30 = 260,737.23/x
  3. Step 3: Cross multiply
    475,601.78x = 656,330.30 × 260,737.23
  4. Step 4: Simplify right side
    475,601.78x = 171,129,744,724.21
  5. Step 5: Solve for x
    x = 171,129,744,724.21/475,601.78
  6. Step 6: Final answer
    x = 359,817.29

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Why These Related Problems?

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