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Finding the Fourth Proportional to 267,530.10, 401,295.15 and 238,499.70

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Solution

The fourth proportional to 267,530.10, 401,295.15 and 238,499.70 is: 357,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,530.10 : 401,295.15 = 238,499.70 : x
  2. Step 2: Convert to fraction form
    267,530.10/401,295.15 = 238,499.70/x
  3. Step 3: Cross multiply
    267,530.10x = 401,295.15 × 238,499.70
  4. Step 4: Simplify right side
    267,530.10x = 95,708,772,886.46
  5. Step 5: Solve for x
    x = 95,708,772,886.46/267,530.10
  6. Step 6: Final answer
    x = 357,749.55

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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.