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Finding the Fourth Proportional to 408,073.60, 612,110.40 and 363,750.40

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Solution

The fourth proportional to 408,073.60, 612,110.40 and 363,750.40 is: 545,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,073.60 : 612,110.40 = 363,750.40 : x
  2. Step 2: Convert to fraction form
    408,073.60/612,110.40 = 363,750.40/x
  3. Step 3: Cross multiply
    408,073.60x = 612,110.40 × 363,750.40
  4. Step 4: Simplify right side
    408,073.60x = 222,655,402,844.16
  5. Step 5: Solve for x
    x = 222,655,402,844.16/408,073.60
  6. Step 6: Final answer
    x = 545,625.60

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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.