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Finding the Fourth Proportional to 484,523.06, 726,729.23 and 129,564.76

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Solution

The fourth proportional to 484,523.06, 726,729.23 and 129,564.76 is: 194,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,523.06 : 726,729.23 = 129,564.76 : x
  2. Step 2: Convert to fraction form
    484,523.06/726,729.23 = 129,564.76/x
  3. Step 3: Cross multiply
    484,523.06x = 726,729.23 × 129,564.76
  4. Step 4: Simplify right side
    484,523.06x = 94,158,498,269.93
  5. Step 5: Solve for x
    x = 94,158,498,269.93/484,523.06
  6. Step 6: Final answer
    x = 194,332.34

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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.