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Finding the Fourth Proportional to 472,550.60, 708,890.70 and 156,974.60

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Solution

The fourth proportional to 472,550.60, 708,890.70 and 156,974.60 is: 235,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,550.60 : 708,890.70 = 156,974.60 : x
  2. Step 2: Convert to fraction form
    472,550.60/708,890.70 = 156,974.60/x
  3. Step 3: Cross multiply
    472,550.60x = 708,890.70 × 156,974.60
  4. Step 4: Simplify right side
    472,550.60x = 111,277,834,076.22
  5. Step 5: Solve for x
    x = 111,277,834,076.22/472,550.60
  6. Step 6: Final answer
    x = 235,483.43

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1.5x scale

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.