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Finding the Fourth Proportional to 276,901.34, 382,123.98 and 149,576.94

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Solution

The fourth proportional to 276,901.34, 382,123.98 and 149,576.94 is: 206,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,901.34 : 382,123.98 = 149,576.94 : x
  2. Step 2: Convert to fraction form
    276,901.34/382,123.98 = 149,576.94/x
  3. Step 3: Cross multiply
    276,901.34x = 382,123.98 × 149,576.94
  4. Step 4: Simplify right side
    276,901.34x = 57,156,935,629.02
  5. Step 5: Solve for x
    x = 57,156,935,629.02/276,901.34
  6. Step 6: Final answer
    x = 206,416.25

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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.