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Finding the Fourth Proportional to 341,301.20, 512,243.40 and 152,052.80

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Solution

The fourth proportional to 341,301.20, 512,243.40 and 152,052.80 is: 228,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,301.20 : 512,243.40 = 152,052.80 : x
  2. Step 2: Convert to fraction form
    341,301.20/512,243.40 = 152,052.80/x
  3. Step 3: Cross multiply
    341,301.20x = 512,243.40 × 152,052.80
  4. Step 4: Simplify right side
    341,301.20x = 77,888,043,251.52
  5. Step 5: Solve for x
    x = 77,888,043,251.52/341,301.20
  6. Step 6: Final answer
    x = 228,209.11

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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.