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Finding the Fourth Proportional to 467,132.85, 644,643.32 and 252,272.90

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Solution

The fourth proportional to 467,132.85, 644,643.32 and 252,272.90 is: 348,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,132.85 : 644,643.32 = 252,272.90 : x
  2. Step 2: Convert to fraction form
    467,132.85/644,643.32 = 252,272.90/x
  3. Step 3: Cross multiply
    467,132.85x = 644,643.32 × 252,272.90
  4. Step 4: Simplify right side
    467,132.85x = 162,626,040,152.27
  5. Step 5: Solve for x
    x = 162,626,040,152.27/467,132.85
  6. Step 6: Final answer
    x = 348,136.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.