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Finding the Fourth Proportional to 482,837.76, 724,334.40 and 150,336

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Solution

The fourth proportional to 482,837.76, 724,334.40 and 150,336 is: 225,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,837.76 : 724,334.40 = 150,336 : x
  2. Step 2: Convert to fraction form
    482,837.76/724,334.40 = 150,336/x
  3. Step 3: Cross multiply
    482,837.76x = 724,334.40 × 150,336
  4. Step 4: Simplify right side
    482,837.76x = 108,893,536,358.40
  5. Step 5: Solve for x
    x = 108,893,536,358.40/482,837.76
  6. Step 6: Final answer
    x = 225,528.21

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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.