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Finding the Fourth Proportional to 576,032.80, 864,049.20 and 543,373.60

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Solution

The fourth proportional to 576,032.80, 864,049.20 and 543,373.60 is: 815,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,032.80 : 864,049.20 = 543,373.60 : x
  2. Step 2: Convert to fraction form
    576,032.80/864,049.20 = 543,373.60/x
  3. Step 3: Cross multiply
    576,032.80x = 864,049.20 × 543,373.60
  4. Step 4: Simplify right side
    576,032.80x = 469,501,524,381.12
  5. Step 5: Solve for x
    x = 469,501,524,381.12/576,032.80
  6. Step 6: Final answer
    x = 815,060.40

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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.