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Finding the Fourth Proportional to 308,132.70, 462,544.65 and 183,543.90

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Solution

The fourth proportional to 308,132.70, 462,544.65 and 183,543.90 is: 275,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,132.70 : 462,544.65 = 183,543.90 : x
  2. Step 2: Convert to fraction form
    308,132.70/462,544.65 = 183,543.90/x
  3. Step 3: Cross multiply
    308,132.70x = 462,544.65 × 183,543.90
  4. Step 4: Simplify right side
    308,132.70x = 84,897,248,985.14
  5. Step 5: Solve for x
    x = 84,897,248,985.14/308,132.70
  6. Step 6: Final answer
    x = 275,521.71

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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.