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Finding the Fourth Proportional to 484,049, 726,111.84 and 147,118.88

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Solution

The fourth proportional to 484,049, 726,111.84 and 147,118.88 is: 220,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,049 : 726,111.84 = 147,118.88 : x
  2. Step 2: Convert to fraction form
    484,049/726,111.84 = 147,118.88/x
  3. Step 3: Cross multiply
    484,049x = 726,111.84 × 147,118.88
  4. Step 4: Simplify right side
    484,049x = 106,824,760,655.54
  5. Step 5: Solve for x
    x = 106,824,760,655.54/484,049
  6. Step 6: Final answer
    x = 220,689.97

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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.