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Finding the Fourth Proportional to 475,887.43, 656,743.04 and 261,036.55

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Solution

The fourth proportional to 475,887.43, 656,743.04 and 261,036.55 is: 360,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,887.43 : 656,743.04 = 261,036.55 : x
  2. Step 2: Convert to fraction form
    475,887.43/656,743.04 = 261,036.55/x
  3. Step 3: Cross multiply
    475,887.43x = 656,743.04 × 261,036.55
  4. Step 4: Simplify right side
    475,887.43x = 171,433,937,398.11
  5. Step 5: Solve for x
    x = 171,433,937,398.11/475,887.43
  6. Step 6: Final answer
    x = 360,240.52

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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.