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Finding the Fourth Proportional to 534,136.80, 801,205.20 and 179,032.80

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Solution

The fourth proportional to 534,136.80, 801,205.20 and 179,032.80 is: 268,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,136.80 : 801,205.20 = 179,032.80 : x
  2. Step 2: Convert to fraction form
    534,136.80/801,205.20 = 179,032.80/x
  3. Step 3: Cross multiply
    534,136.80x = 801,205.20 × 179,032.80
  4. Step 4: Simplify right side
    534,136.80x = 143,442,010,330.56
  5. Step 5: Solve for x
    x = 143,442,010,330.56/534,136.80
  6. Step 6: Final answer
    x = 268,549.20

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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.