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Finding the Fourth Proportional to 475,510.17, 656,200.92 and 260,659.29

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Solution

The fourth proportional to 475,510.17, 656,200.92 and 260,659.29 is: 359,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,510.17 : 656,200.92 = 260,659.29 : x
  2. Step 2: Convert to fraction form
    475,510.17/656,200.92 = 260,659.29/x
  3. Step 3: Cross multiply
    475,510.17x = 656,200.92 × 260,659.29
  4. Step 4: Simplify right side
    475,510.17x = 171,044,865,904.55
  5. Step 5: Solve for x
    x = 171,044,865,904.55/475,510.17
  6. Step 6: Final answer
    x = 359,708.11

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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.