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Finding the Fourth Proportional to 493,703.60, 740,555.40 and 119,726.60

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Solution

The fourth proportional to 493,703.60, 740,555.40 and 119,726.60 is: 179,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,703.60 : 740,555.40 = 119,726.60 : x
  2. Step 2: Convert to fraction form
    493,703.60/740,555.40 = 119,726.60/x
  3. Step 3: Cross multiply
    493,703.60x = 740,555.40 × 119,726.60
  4. Step 4: Simplify right side
    493,703.60x = 88,664,180,153.64
  5. Step 5: Solve for x
    x = 88,664,180,153.64/493,703.60
  6. Step 6: Final answer
    x = 179,589.90

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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.