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Finding the Fourth Proportional to 475,930.93, 656,693.76 and 272,046.46

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Solution

The fourth proportional to 475,930.93, 656,693.76 and 272,046.46 is: 375,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,930.93 : 656,693.76 = 272,046.46 : x
  2. Step 2: Convert to fraction form
    475,930.93/656,693.76 = 272,046.46/x
  3. Step 3: Cross multiply
    475,930.93x = 656,693.76 × 272,046.46
  4. Step 4: Simplify right side
    475,930.93x = 178,651,212,712.09
  5. Step 5: Solve for x
    x = 178,651,212,712.09/475,930.93
  6. Step 6: Final answer
    x = 375,372.14

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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.