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Finding the Fourth Proportional to 435,794.40, 653,691.60 and 248,824.80

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Solution

The fourth proportional to 435,794.40, 653,691.60 and 248,824.80 is: 373,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,794.40 : 653,691.60 = 248,824.80 : x
  2. Step 2: Convert to fraction form
    435,794.40/653,691.60 = 248,824.80/x
  3. Step 3: Cross multiply
    435,794.40x = 653,691.60 × 248,824.80
  4. Step 4: Simplify right side
    435,794.40x = 162,654,681,631.68
  5. Step 5: Solve for x
    x = 162,654,681,631.68/435,794.40
  6. Step 6: Final answer
    x = 373,237.20

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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.