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Finding the Fourth Proportional to 534,000.45, 746,200.95 and 534,000.45

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Solution

The fourth proportional to 534,000.45, 746,200.95 and 534,000.45 is: 746,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,000.45 : 746,200.95 = 534,000.45 : x
  2. Step 2: Convert to fraction form
    534,000.45/746,200.95 = 534,000.45/x
  3. Step 3: Cross multiply
    534,000.45x = 746,200.95 × 534,000.45
  4. Step 4: Simplify right side
    534,000.45x = 398,471,643,090.43
  5. Step 5: Solve for x
    x = 398,471,643,090.43/534,000.45
  6. Step 6: Final answer
    x = 746,200.95

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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.