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Finding the Fourth Proportional to 375,071.52, 562,602.96 and 150,489.12

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Solution

The fourth proportional to 375,071.52, 562,602.96 and 150,489.12 is: 225,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,071.52 : 562,602.96 = 150,489.12 : x
  2. Step 2: Convert to fraction form
    375,071.52/562,602.96 = 150,489.12/x
  3. Step 3: Cross multiply
    375,071.52x = 562,602.96 × 150,489.12
  4. Step 4: Simplify right side
    375,071.52x = 84,665,624,359.80
  5. Step 5: Solve for x
    x = 84,665,624,359.80/375,071.52
  6. Step 6: Final answer
    x = 225,731.95

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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.