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Finding the Fourth Proportional to 458,282.88, 687,260.28 and 158,683.02

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Solution

The fourth proportional to 458,282.88, 687,260.28 and 158,683.02 is: 237,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,282.88 : 687,260.28 = 158,683.02 : x
  2. Step 2: Convert to fraction form
    458,282.88/687,260.28 = 158,683.02/x
  3. Step 3: Cross multiply
    458,282.88x = 687,260.28 × 158,683.02
  4. Step 4: Simplify right side
    458,282.88x = 109,056,536,756.45
  5. Step 5: Solve for x
    x = 109,056,536,756.45/458,282.88
  6. Step 6: Final answer
    x = 237,967.73

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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.