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Finding the Fourth Proportional to 472,599.60, 708,964.20 and 157,023.60

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Solution

The fourth proportional to 472,599.60, 708,964.20 and 157,023.60 is: 235,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,599.60 : 708,964.20 = 157,023.60 : x
  2. Step 2: Convert to fraction form
    472,599.60/708,964.20 = 157,023.60/x
  3. Step 3: Cross multiply
    472,599.60x = 708,964.20 × 157,023.60
  4. Step 4: Simplify right side
    472,599.60x = 111,324,110,955.12
  5. Step 5: Solve for x
    x = 111,324,110,955.12/472,599.60
  6. Step 6: Final answer
    x = 235,556.93

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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.