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Finding the Fourth Proportional to 272,057.40, 408,086.10 and 242,508.60

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Solution

The fourth proportional to 272,057.40, 408,086.10 and 242,508.60 is: 363,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,057.40 : 408,086.10 = 242,508.60 : x
  2. Step 2: Convert to fraction form
    272,057.40/408,086.10 = 242,508.60/x
  3. Step 3: Cross multiply
    272,057.40x = 408,086.10 × 242,508.60
  4. Step 4: Simplify right side
    272,057.40x = 98,964,388,790.46
  5. Step 5: Solve for x
    x = 98,964,388,790.46/272,057.40
  6. Step 6: Final answer
    x = 363,762.90

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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.