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Finding the Fourth Proportional to 517,492.71, 775,976.52 and 236,769.39

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Solution

The fourth proportional to 517,492.71, 775,976.52 and 236,769.39 is: 355,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,492.71 : 775,976.52 = 236,769.39 : x
  2. Step 2: Convert to fraction form
    517,492.71/775,976.52 = 236,769.39/x
  3. Step 3: Cross multiply
    517,492.71x = 775,976.52 × 236,769.39
  4. Step 4: Simplify right side
    517,492.71x = 183,727,487,294.72
  5. Step 5: Solve for x
    x = 183,727,487,294.72/517,492.71
  6. Step 6: Final answer
    x = 355,033.96

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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.