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Finding the Fourth Proportional to 447,510.47, 671,199.03 and 147,992.62

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Solution

The fourth proportional to 447,510.47, 671,199.03 and 147,992.62 is: 221,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,510.47 : 671,199.03 = 147,992.62 : x
  2. Step 2: Convert to fraction form
    447,510.47/671,199.03 = 147,992.62/x
  3. Step 3: Cross multiply
    447,510.47x = 671,199.03 × 147,992.62
  4. Step 4: Simplify right side
    447,510.47x = 99,332,502,991.16
  5. Step 5: Solve for x
    x = 99,332,502,991.16/447,510.47
  6. Step 6: Final answer
    x = 221,966.88

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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.