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Finding the Fourth Proportional to 447,583.98, 671,376.18 and 148,064.55

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Solution

The fourth proportional to 447,583.98, 671,376.18 and 148,064.55 is: 222,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,583.98 : 671,376.18 = 148,064.55 : x
  2. Step 2: Convert to fraction form
    447,583.98/671,376.18 = 148,064.55/x
  3. Step 3: Cross multiply
    447,583.98x = 671,376.18 × 148,064.55
  4. Step 4: Simplify right side
    447,583.98x = 99,407,011,972.42
  5. Step 5: Solve for x
    x = 99,407,011,972.42/447,583.98
  6. Step 6: Final answer
    x = 222,096.89

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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.