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Finding the Fourth Proportional to 254,499.76, 381,250.28 and 207,165.76

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Solution

The fourth proportional to 254,499.76, 381,250.28 and 207,165.76 is: 310,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,499.76 : 381,250.28 = 207,165.76 : x
  2. Step 2: Convert to fraction form
    254,499.76/381,250.28 = 207,165.76/x
  3. Step 3: Cross multiply
    254,499.76x = 381,250.28 × 207,165.76
  4. Step 4: Simplify right side
    254,499.76x = 78,982,004,006.41
  5. Step 5: Solve for x
    x = 78,982,004,006.41/254,499.76
  6. Step 6: Final answer
    x = 310,342.16

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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.