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Finding the Fourth Proportional to 379,349.71, 568,534.04 and 283,830.46

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Solution

The fourth proportional to 379,349.71, 568,534.04 and 283,830.46 is: 425,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,349.71 : 568,534.04 = 283,830.46 : x
  2. Step 2: Convert to fraction form
    379,349.71/568,534.04 = 283,830.46/x
  3. Step 3: Cross multiply
    379,349.71x = 568,534.04 × 283,830.46
  4. Step 4: Simplify right side
    379,349.71x = 161,367,279,520.74
  5. Step 5: Solve for x
    x = 161,367,279,520.74/379,349.71
  6. Step 6: Final answer
    x = 425,378.68

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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.