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Finding the Fourth Proportional to 534,000.20, 746,200.60 and 534,000.20

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Solution

The fourth proportional to 534,000.20, 746,200.60 and 534,000.20 is: 746,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,000.20 : 746,200.60 = 534,000.20 : x
  2. Step 2: Convert to fraction form
    534,000.20/746,200.60 = 534,000.20/x
  3. Step 3: Cross multiply
    534,000.20x = 746,200.60 × 534,000.20
  4. Step 4: Simplify right side
    534,000.20x = 398,471,269,640.12
  5. Step 5: Solve for x
    x = 398,471,269,640.12/534,000.20
  6. Step 6: Final answer
    x = 746,200.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.