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Finding the Fourth Proportional to 534,452.40, 800,560.80 and 250,385.40

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Solution

The fourth proportional to 534,452.40, 800,560.80 and 250,385.40 is: 375,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,452.40 : 800,560.80 = 250,385.40 : x
  2. Step 2: Convert to fraction form
    534,452.40/800,560.80 = 250,385.40/x
  3. Step 3: Cross multiply
    534,452.40x = 800,560.80 × 250,385.40
  4. Step 4: Simplify right side
    534,452.40x = 200,448,736,132.32
  5. Step 5: Solve for x
    x = 200,448,736,132.32/534,452.40
  6. Step 6: Final answer
    x = 375,054.42

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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.