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Finding the Fourth Proportional to 484,060.20, 668,002.98 and 272,092.20

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Solution

The fourth proportional to 484,060.20, 668,002.98 and 272,092.20 is: 375,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,060.20 : 668,002.98 = 272,092.20 : x
  2. Step 2: Convert to fraction form
    484,060.20/668,002.98 = 272,092.20/x
  3. Step 3: Cross multiply
    484,060.20x = 668,002.98 × 272,092.20
  4. Step 4: Simplify right side
    484,060.20x = 181,758,400,434.76
  5. Step 5: Solve for x
    x = 181,758,400,434.76/484,060.20
  6. Step 6: Final answer
    x = 375,487.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.