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Finding the Fourth Proportional to 608,565.60, 911,098.80 and 538,581.60

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Solution

The fourth proportional to 608,565.60, 911,098.80 and 538,581.60 is: 806,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,565.60 : 911,098.80 = 538,581.60 : x
  2. Step 2: Convert to fraction form
    608,565.60/911,098.80 = 538,581.60/x
  3. Step 3: Cross multiply
    608,565.60x = 911,098.80 × 538,581.60
  4. Step 4: Simplify right side
    608,565.60x = 490,701,049,462.08
  5. Step 5: Solve for x
    x = 490,701,049,462.08/608,565.60
  6. Step 6: Final answer
    x = 806,324.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.