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Finding the Fourth Proportional to 342,822.60, 514,233.90 and 254,467.80

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Solution

The fourth proportional to 342,822.60, 514,233.90 and 254,467.80 is: 381,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,822.60 : 514,233.90 = 254,467.80 : x
  2. Step 2: Convert to fraction form
    342,822.60/514,233.90 = 254,467.80/x
  3. Step 3: Cross multiply
    342,822.60x = 514,233.90 × 254,467.80
  4. Step 4: Simplify right side
    342,822.60x = 130,855,969,218.42
  5. Step 5: Solve for x
    x = 130,855,969,218.42/342,822.60
  6. Step 6: Final answer
    x = 381,701.70

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1.5x scale

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.