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Finding the Fourth Proportional to 325,006.56, 487,570.86 and 147,526.04

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Solution

The fourth proportional to 325,006.56, 487,570.86 and 147,526.04 is: 221,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,006.56 : 487,570.86 = 147,526.04 : x
  2. Step 2: Convert to fraction form
    325,006.56/487,570.86 = 147,526.04/x
  3. Step 3: Cross multiply
    325,006.56x = 487,570.86 × 147,526.04
  4. Step 4: Simplify right side
    325,006.56x = 71,929,399,414.12
  5. Step 5: Solve for x
    x = 71,929,399,414.12/325,006.56
  6. Step 6: Final answer
    x = 221,316.76

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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.