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Finding the Fourth Proportional to 447,534.76, 671,204.76 and 147,944.56

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Solution

The fourth proportional to 447,534.76, 671,204.76 and 147,944.56 is: 221,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,534.76 : 671,204.76 = 147,944.56 : x
  2. Step 2: Convert to fraction form
    447,534.76/671,204.76 = 147,944.56/x
  3. Step 3: Cross multiply
    447,534.76x = 671,204.76 × 147,944.56
  4. Step 4: Simplify right side
    447,534.76x = 99,301,092,888.11
  5. Step 5: Solve for x
    x = 99,301,092,888.11/447,534.76
  6. Step 6: Final answer
    x = 221,884.65

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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.