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Finding the Fourth Proportional to 276,901.35, 382,123.64 and 149,576.91

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Solution

The fourth proportional to 276,901.35, 382,123.64 and 149,576.91 is: 206,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,901.35 : 382,123.64 = 149,576.91 : x
  2. Step 2: Convert to fraction form
    276,901.35/382,123.64 = 149,576.91/x
  3. Step 3: Cross multiply
    276,901.35x = 382,123.64 × 149,576.91
  4. Step 4: Simplify right side
    276,901.35x = 57,156,872,561.27
  5. Step 5: Solve for x
    x = 57,156,872,561.27/276,901.35
  6. Step 6: Final answer
    x = 206,416.01

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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.