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Finding the Fourth Proportional to 475,665.12, 656,426.76 and 260,792.28

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Solution

The fourth proportional to 475,665.12, 656,426.76 and 260,792.28 is: 359,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,665.12 : 656,426.76 = 260,792.28 : x
  2. Step 2: Convert to fraction form
    475,665.12/656,426.76 = 260,792.28/x
  3. Step 3: Cross multiply
    475,665.12x = 656,426.76 × 260,792.28
  4. Step 4: Simplify right side
    475,665.12x = 171,191,031,393.41
  5. Step 5: Solve for x
    x = 171,191,031,393.41/475,665.12
  6. Step 6: Final answer
    x = 359,898.22

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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.