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Finding the Fourth Proportional to 576,096.70, 864,145.05 and 542,854.30

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Solution

The fourth proportional to 576,096.70, 864,145.05 and 542,854.30 is: 814,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,096.70 : 864,145.05 = 542,854.30 : x
  2. Step 2: Convert to fraction form
    576,096.70/864,145.05 = 542,854.30/x
  3. Step 3: Cross multiply
    576,096.70x = 864,145.05 × 542,854.30
  4. Step 4: Simplify right side
    576,096.70x = 469,104,856,216.22
  5. Step 5: Solve for x
    x = 469,104,856,216.22/576,096.70
  6. Step 6: Final answer
    x = 814,281.45

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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.