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Finding the Fourth Proportional to 464,073.60, 696,110.40 and 148,540.80

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Solution

The fourth proportional to 464,073.60, 696,110.40 and 148,540.80 is: 222,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,073.60 : 696,110.40 = 148,540.80 : x
  2. Step 2: Convert to fraction form
    464,073.60/696,110.40 = 148,540.80/x
  3. Step 3: Cross multiply
    464,073.60x = 696,110.40 × 148,540.80
  4. Step 4: Simplify right side
    464,073.60x = 103,400,795,704.32
  5. Step 5: Solve for x
    x = 103,400,795,704.32/464,073.60
  6. Step 6: Final answer
    x = 222,811.20

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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.