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Finding the Fourth Proportional to 558,760.90, 838,271.50 and 159,407.14

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Solution

The fourth proportional to 558,760.90, 838,271.50 and 159,407.14 is: 239,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,760.90 : 838,271.50 = 159,407.14 : x
  2. Step 2: Convert to fraction form
    558,760.90/838,271.50 = 159,407.14/x
  3. Step 3: Cross multiply
    558,760.90x = 838,271.50 × 159,407.14
  4. Step 4: Simplify right side
    558,760.90x = 133,626,462,358.51
  5. Step 5: Solve for x
    x = 133,626,462,358.51/558,760.90
  6. Step 6: Final answer
    x = 239,147.84

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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.