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Finding the Fourth Proportional to 611,549.20, 916,546.20 and 544,675.60

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Solution

The fourth proportional to 611,549.20, 916,546.20 and 544,675.60 is: 816,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,549.20 : 916,546.20 = 544,675.60 : x
  2. Step 2: Convert to fraction form
    611,549.20/916,546.20 = 544,675.60/x
  3. Step 3: Cross multiply
    611,549.20x = 916,546.20 × 544,675.60
  4. Step 4: Simplify right side
    611,549.20x = 499,220,351,412.72
  5. Step 5: Solve for x
    x = 499,220,351,412.72/611,549.20
  6. Step 6: Final answer
    x = 816,320.83

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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.