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Finding the Fourth Proportional to 388,898.85, 583,114.98 and 151,959.27

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Solution

The fourth proportional to 388,898.85, 583,114.98 and 151,959.27 is: 227,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,898.85 : 583,114.98 = 151,959.27 : x
  2. Step 2: Convert to fraction form
    388,898.85/583,114.98 = 151,959.27/x
  3. Step 3: Cross multiply
    388,898.85x = 583,114.98 × 151,959.27
  4. Step 4: Simplify right side
    388,898.85x = 88,609,726,686.86
  5. Step 5: Solve for x
    x = 88,609,726,686.86/388,898.85
  6. Step 6: Final answer
    x = 227,847.75

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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.