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Finding the Fourth Proportional to 493,585.31, 681,253.00 and 338,748.45

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Solution

The fourth proportional to 493,585.31, 681,253.00 and 338,748.45 is: 467,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,585.31 : 681,253.00 = 338,748.45 : x
  2. Step 2: Convert to fraction form
    493,585.31/681,253.00 = 338,748.45/x
  3. Step 3: Cross multiply
    493,585.31x = 681,253.00 × 338,748.45
  4. Step 4: Simplify right side
    493,585.31x = 230,773,394,406.28
  5. Step 5: Solve for x
    x = 230,773,394,406.28/493,585.31
  6. Step 6: Final answer
    x = 467,545.10

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1.5x scale

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.