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Finding the Fourth Proportional to 447,883.53, 671,920.07 and 148,347.15

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Solution

The fourth proportional to 447,883.53, 671,920.07 and 148,347.15 is: 222,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,883.53 : 671,920.07 = 148,347.15 : x
  2. Step 2: Convert to fraction form
    447,883.53/671,920.07 = 148,347.15/x
  3. Step 3: Cross multiply
    447,883.53x = 671,920.07 × 148,347.15
  4. Step 4: Simplify right side
    447,883.53x = 99,677,426,670.56
  5. Step 5: Solve for x
    x = 99,677,426,670.56/447,883.53
  6. Step 6: Final answer
    x = 222,552.11

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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.