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Finding the Fourth Proportional to 454,967.56, 682,531.56 and 155,377.92

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Solution

The fourth proportional to 454,967.56, 682,531.56 and 155,377.92 is: 233,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.56 : 682,531.56 = 155,377.92 : x
  2. Step 2: Convert to fraction form
    454,967.56/682,531.56 = 155,377.92/x
  3. Step 3: Cross multiply
    454,967.56x = 682,531.56 × 155,377.92
  4. Step 4: Simplify right side
    454,967.56x = 106,050,334,127.16
  5. Step 5: Solve for x
    x = 106,050,334,127.16/454,967.56
  6. Step 6: Final answer
    x = 233,094.28

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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.