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Finding the Fourth Proportional to 272,002.40, 408,003.60 and 167,026.40

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Solution

The fourth proportional to 272,002.40, 408,003.60 and 167,026.40 is: 250,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,002.40 : 408,003.60 = 167,026.40 : x
  2. Step 2: Convert to fraction form
    272,002.40/408,003.60 = 167,026.40/x
  3. Step 3: Cross multiply
    272,002.40x = 408,003.60 × 167,026.40
  4. Step 4: Simplify right side
    272,002.40x = 68,147,372,495.04
  5. Step 5: Solve for x
    x = 68,147,372,495.04/272,002.40
  6. Step 6: Final answer
    x = 250,539.60

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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.