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Finding the Fourth Proportional to 402,862.86, 604,416.96 and 250,958.70

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Solution

The fourth proportional to 402,862.86, 604,416.96 and 250,958.70 is: 376,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,862.86 : 604,416.96 = 250,958.70 : x
  2. Step 2: Convert to fraction form
    402,862.86/604,416.96 = 250,958.70/x
  3. Step 3: Cross multiply
    402,862.86x = 604,416.96 × 250,958.70
  4. Step 4: Simplify right side
    402,862.86x = 151,683,694,539.55
  5. Step 5: Solve for x
    x = 151,683,694,539.55/402,862.86
  6. Step 6: Final answer
    x = 376,514.47

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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.