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Finding the Fourth Proportional to 475,602.16, 656,330.81 and 260,737.61

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Solution

The fourth proportional to 475,602.16, 656,330.81 and 260,737.61 is: 359,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,602.16 : 656,330.81 = 260,737.61 : x
  2. Step 2: Convert to fraction form
    475,602.16/656,330.81 = 260,737.61/x
  3. Step 3: Cross multiply
    475,602.16x = 656,330.81 × 260,737.61
  4. Step 4: Simplify right side
    475,602.16x = 171,130,123,487.11
  5. Step 5: Solve for x
    x = 171,130,123,487.11/475,602.16
  6. Step 6: Final answer
    x = 359,817.81

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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.