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Finding the Fourth Proportional to 447,604, 671,507.50 and 148,084.09

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Solution

The fourth proportional to 447,604, 671,507.50 and 148,084.09 is: 222,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,604 : 671,507.50 = 148,084.09 : x
  2. Step 2: Convert to fraction form
    447,604/671,507.50 = 148,084.09/x
  3. Step 3: Cross multiply
    447,604x = 671,507.50 × 148,084.09
  4. Step 4: Simplify right side
    447,604x = 99,439,577,065.68
  5. Step 5: Solve for x
    x = 99,439,577,065.68/447,604
  6. Step 6: Final answer
    x = 222,159.71

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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.