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Finding the Fourth Proportional to 588,685.20, 884,064.60 and 570,022.80

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Solution

The fourth proportional to 588,685.20, 884,064.60 and 570,022.80 is: 856,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,685.20 : 884,064.60 = 570,022.80 : x
  2. Step 2: Convert to fraction form
    588,685.20/884,064.60 = 570,022.80/x
  3. Step 3: Cross multiply
    588,685.20x = 884,064.60 × 570,022.80
  4. Step 4: Simplify right side
    588,685.20x = 503,936,978,672.88
  5. Step 5: Solve for x
    x = 503,936,978,672.88/588,685.20
  6. Step 6: Final answer
    x = 856,038.13

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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.