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Finding the Fourth Proportional to 475,812.96, 656,630.28 and 260,951.16

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Solution

The fourth proportional to 475,812.96, 656,630.28 and 260,951.16 is: 360,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,812.96 : 656,630.28 = 260,951.16 : x
  2. Step 2: Convert to fraction form
    475,812.96/656,630.28 = 260,951.16/x
  3. Step 3: Cross multiply
    475,812.96x = 656,630.28 × 260,951.16
  4. Step 4: Simplify right side
    475,812.96x = 171,348,433,257.13
  5. Step 5: Solve for x
    x = 171,348,433,257.13/475,812.96
  6. Step 6: Final answer
    x = 360,117.20

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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.