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Finding the Fourth Proportional to 588,966.39, 812,751.47 and 359,906.69

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Solution

The fourth proportional to 588,966.39, 812,751.47 and 359,906.69 is: 496,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,966.39 : 812,751.47 = 359,906.69 : x
  2. Step 2: Convert to fraction form
    588,966.39/812,751.47 = 359,906.69/x
  3. Step 3: Cross multiply
    588,966.39x = 812,751.47 × 359,906.69
  4. Step 4: Simplify right side
    588,966.39x = 292,514,692,942.33
  5. Step 5: Solve for x
    x = 292,514,692,942.33/588,966.39
  6. Step 6: Final answer
    x = 496,657.70

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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.