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Finding the Fourth Proportional to 576,001.80, 864,002.70 and 543,342.60

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Solution

The fourth proportional to 576,001.80, 864,002.70 and 543,342.60 is: 815,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,001.80 : 864,002.70 = 543,342.60 : x
  2. Step 2: Convert to fraction form
    576,001.80/864,002.70 = 543,342.60/x
  3. Step 3: Cross multiply
    576,001.80x = 864,002.70 × 543,342.60
  4. Step 4: Simplify right side
    576,001.80x = 469,449,473,425.02
  5. Step 5: Solve for x
    x = 469,449,473,425.02/576,001.80
  6. Step 6: Final answer
    x = 815,013.90

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Similar ratio
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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.