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Finding the Fourth Proportional to 497,195.20, 745,792.80 and 181,611.10

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Solution

The fourth proportional to 497,195.20, 745,792.80 and 181,611.10 is: 272,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,195.20 : 745,792.80 = 181,611.10 : x
  2. Step 2: Convert to fraction form
    497,195.20/745,792.80 = 181,611.10/x
  3. Step 3: Cross multiply
    497,195.20x = 745,792.80 × 181,611.10
  4. Step 4: Simplify right side
    497,195.20x = 135,444,250,780.08
  5. Step 5: Solve for x
    x = 135,444,250,780.08/497,195.20
  6. Step 6: Final answer
    x = 272,416.65

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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.