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Finding the Fourth Proportional to 607,686.56, 911,510.23 and 181,225.88

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Solution

The fourth proportional to 607,686.56, 911,510.23 and 181,225.88 is: 271,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,686.56 : 911,510.23 = 181,225.88 : x
  2. Step 2: Convert to fraction form
    607,686.56/911,510.23 = 181,225.88/x
  3. Step 3: Cross multiply
    607,686.56x = 911,510.23 × 181,225.88
  4. Step 4: Simplify right side
    607,686.56x = 165,189,243,560.75
  5. Step 5: Solve for x
    x = 165,189,243,560.75/607,686.56
  6. Step 6: Final answer
    x = 271,832.97

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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.