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Finding the Fourth Proportional to 544,069.80, 815,120.55 and 465,337.80

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Solution

The fourth proportional to 544,069.80, 815,120.55 and 465,337.80 is: 697,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,069.80 : 815,120.55 = 465,337.80 : x
  2. Step 2: Convert to fraction form
    544,069.80/815,120.55 = 465,337.80/x
  3. Step 3: Cross multiply
    544,069.80x = 815,120.55 × 465,337.80
  4. Step 4: Simplify right side
    544,069.80x = 379,306,403,471.79
  5. Step 5: Solve for x
    x = 379,306,403,471.79/544,069.80
  6. Step 6: Final answer
    x = 697,164.97

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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.