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Finding the Fourth Proportional to 445,164.29, 614,357.90 and 251,589.89

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Solution

The fourth proportional to 445,164.29, 614,357.90 and 251,589.89 is: 347,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,164.29 : 614,357.90 = 251,589.89 : x
  2. Step 2: Convert to fraction form
    445,164.29/614,357.90 = 251,589.89/x
  3. Step 3: Cross multiply
    445,164.29x = 614,357.90 × 251,589.89
  4. Step 4: Simplify right side
    445,164.29x = 154,566,232,151.89
  5. Step 5: Solve for x
    x = 154,566,232,151.89/445,164.29
  6. Step 6: Final answer
    x = 347,211.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.