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Finding the Fourth Proportional to 472,625.60, 709,003.20 and 157,049.60

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Solution

The fourth proportional to 472,625.60, 709,003.20 and 157,049.60 is: 235,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,625.60 : 709,003.20 = 157,049.60 : x
  2. Step 2: Convert to fraction form
    472,625.60/709,003.20 = 157,049.60/x
  3. Step 3: Cross multiply
    472,625.60x = 709,003.20 × 157,049.60
  4. Step 4: Simplify right side
    472,625.60x = 111,348,668,958.72
  5. Step 5: Solve for x
    x = 111,348,668,958.72/472,625.60
  6. Step 6: Final answer
    x = 235,595.93

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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.