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Finding the Fourth Proportional to 276,152.76, 413,728.56 and 126,518.22

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Solution

The fourth proportional to 276,152.76, 413,728.56 and 126,518.22 is: 189,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,152.76 : 413,728.56 = 126,518.22 : x
  2. Step 2: Convert to fraction form
    276,152.76/413,728.56 = 126,518.22/x
  3. Step 3: Cross multiply
    276,152.76x = 413,728.56 × 126,518.22
  4. Step 4: Simplify right side
    276,152.76x = 52,344,200,974.36
  5. Step 5: Solve for x
    x = 52,344,200,974.36/276,152.76
  6. Step 6: Final answer
    x = 189,547.99

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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.