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Finding the Fourth Proportional to 324,925.60, 486,927.60 and 240,023.20

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Solution

The fourth proportional to 324,925.60, 486,927.60 and 240,023.20 is: 359,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,925.60 : 486,927.60 = 240,023.20 : x
  2. Step 2: Convert to fraction form
    324,925.60/486,927.60 = 240,023.20/x
  3. Step 3: Cross multiply
    324,925.60x = 486,927.60 × 240,023.20
  4. Step 4: Simplify right side
    324,925.60x = 116,873,920,720.32
  5. Step 5: Solve for x
    x = 116,873,920,720.32/324,925.60
  6. Step 6: Final answer
    x = 359,694.41

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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.