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Finding the Fourth Proportional to 445,584.32, 614,898.32 and 251,988.96

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Solution

The fourth proportional to 445,584.32, 614,898.32 and 251,988.96 is: 347,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,584.32 : 614,898.32 = 251,988.96 : x
  2. Step 2: Convert to fraction form
    445,584.32/614,898.32 = 251,988.96/x
  3. Step 3: Cross multiply
    445,584.32x = 614,898.32 × 251,988.96
  4. Step 4: Simplify right side
    445,584.32x = 154,947,588,162.55
  5. Step 5: Solve for x
    x = 154,947,588,162.55/445,584.32
  6. Step 6: Final answer
    x = 347,740.22

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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.