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Finding the Fourth Proportional to 493,687, 740,532.93 and 119,710

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Solution

The fourth proportional to 493,687, 740,532.93 and 119,710 is: 179,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,687 : 740,532.93 = 119,710 : x
  2. Step 2: Convert to fraction form
    493,687/740,532.93 = 119,710/x
  3. Step 3: Cross multiply
    493,687x = 740,532.93 × 119,710
  4. Step 4: Simplify right side
    493,687x = 88,649,197,050.30
  5. Step 5: Solve for x
    x = 88,649,197,050.30/493,687
  6. Step 6: Final answer
    x = 179,565.59

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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.