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Finding the Fourth Proportional to 273,260.70, 409,891.05 and 254,598.30

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Solution

The fourth proportional to 273,260.70, 409,891.05 and 254,598.30 is: 381,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,260.70 : 409,891.05 = 254,598.30 : x
  2. Step 2: Convert to fraction form
    273,260.70/409,891.05 = 254,598.30/x
  3. Step 3: Cross multiply
    273,260.70x = 409,891.05 × 254,598.30
  4. Step 4: Simplify right side
    273,260.70x = 104,357,564,515.22
  5. Step 5: Solve for x
    x = 104,357,564,515.22/273,260.70
  6. Step 6: Final answer
    x = 381,897.45

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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.