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Finding the Fourth Proportional to 368,000.80, 552,001.20 and 242,029.60

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Solution

The fourth proportional to 368,000.80, 552,001.20 and 242,029.60 is: 363,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,000.80 : 552,001.20 = 242,029.60 : x
  2. Step 2: Convert to fraction form
    368,000.80/552,001.20 = 242,029.60/x
  3. Step 3: Cross multiply
    368,000.80x = 552,001.20 × 242,029.60
  4. Step 4: Simplify right side
    368,000.80x = 133,600,629,635.52
  5. Step 5: Solve for x
    x = 133,600,629,635.52/368,000.80
  6. Step 6: Final answer
    x = 363,044.40

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Similar ratio
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1.5x scale

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.