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Finding the Fourth Proportional to 572,578.74, 858,913.16 and 151,854.62

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Solution

The fourth proportional to 572,578.74, 858,913.16 and 151,854.62 is: 227,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,578.74 : 858,913.16 = 151,854.62 : x
  2. Step 2: Convert to fraction form
    572,578.74/858,913.16 = 151,854.62/x
  3. Step 3: Cross multiply
    572,578.74x = 858,913.16 × 151,854.62
  4. Step 4: Simplify right side
    572,578.74x = 130,429,926,470.96
  5. Step 5: Solve for x
    x = 130,429,926,470.96/572,578.74
  6. Step 6: Final answer
    x = 227,793.87

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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.