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Finding the Fourth Proportional to 493,618.68, 740,425.59 and 119,641.68

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Solution

The fourth proportional to 493,618.68, 740,425.59 and 119,641.68 is: 179,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,618.68 : 740,425.59 = 119,641.68 : x
  2. Step 2: Convert to fraction form
    493,618.68/740,425.59 = 119,641.68/x
  3. Step 3: Cross multiply
    493,618.68x = 740,425.59 × 119,641.68
  4. Step 4: Simplify right side
    493,618.68x = 88,585,761,502.59
  5. Step 5: Solve for x
    x = 88,585,761,502.59/493,618.68
  6. Step 6: Final answer
    x = 179,461.93

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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.