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Finding the Fourth Proportional to 493,632.60, 740,722.13 and 240,915.18

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Solution

The fourth proportional to 493,632.60, 740,722.13 and 240,915.18 is: 361,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,632.60 : 740,722.13 = 240,915.18 : x
  2. Step 2: Convert to fraction form
    493,632.60/740,722.13 = 240,915.18/x
  3. Step 3: Cross multiply
    493,632.60x = 740,722.13 × 240,915.18
  4. Step 4: Simplify right side
    493,632.60x = 178,451,204,074.36
  5. Step 5: Solve for x
    x = 178,451,204,074.36/493,632.60
  6. Step 6: Final answer
    x = 361,506.12

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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.