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Finding the Fourth Proportional to 317,402.26, 437,946.66 and 183,188.50

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Solution

The fourth proportional to 317,402.26, 437,946.66 and 183,188.50 is: 252,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,402.26 : 437,946.66 = 183,188.50 : x
  2. Step 2: Convert to fraction form
    317,402.26/437,946.66 = 183,188.50/x
  3. Step 3: Cross multiply
    317,402.26x = 437,946.66 × 183,188.50
  4. Step 4: Simplify right side
    317,402.26x = 80,226,791,725.41
  5. Step 5: Solve for x
    x = 80,226,791,725.41/317,402.26
  6. Step 6: Final answer
    x = 252,760.62

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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.