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Finding the Fourth Proportional to 546,723.20, 818,529.60 and 484,515.20

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Solution

The fourth proportional to 546,723.20, 818,529.60 and 484,515.20 is: 725,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,723.20 : 818,529.60 = 484,515.20 : x
  2. Step 2: Convert to fraction form
    546,723.20/818,529.60 = 484,515.20/x
  3. Step 3: Cross multiply
    546,723.20x = 818,529.60 × 484,515.20
  4. Step 4: Simplify right side
    546,723.20x = 396,590,032,849.92
  5. Step 5: Solve for x
    x = 396,590,032,849.92/546,723.20
  6. Step 6: Final answer
    x = 725,394.56

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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.