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Finding the Fourth Proportional to 267,013.76, 368,481.26 and 152,298.20

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Solution

The fourth proportional to 267,013.76, 368,481.26 and 152,298.20 is: 210,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,013.76 : 368,481.26 = 152,298.20 : x
  2. Step 2: Convert to fraction form
    267,013.76/368,481.26 = 152,298.20/x
  3. Step 3: Cross multiply
    267,013.76x = 368,481.26 × 152,298.20
  4. Step 4: Simplify right side
    267,013.76x = 56,119,033,933.68
  5. Step 5: Solve for x
    x = 56,119,033,933.68/267,013.76
  6. Step 6: Final answer
    x = 210,172.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.