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Finding the Fourth Proportional to 530,338.60, 794,633.10 and 451,606.60

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Solution

The fourth proportional to 530,338.60, 794,633.10 and 451,606.60 is: 676,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,338.60 : 794,633.10 = 451,606.60 : x
  2. Step 2: Convert to fraction form
    530,338.60/794,633.10 = 451,606.60/x
  3. Step 3: Cross multiply
    530,338.60x = 794,633.10 × 451,606.60
  4. Step 4: Simplify right side
    530,338.60x = 358,861,552,538.46
  5. Step 5: Solve for x
    x = 358,861,552,538.46/530,338.60
  6. Step 6: Final answer
    x = 676,664.97

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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.