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Finding the Fourth Proportional to 266,877.52, 400,253.38 and 98,306.28

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Solution

The fourth proportional to 266,877.52, 400,253.38 and 98,306.28 is: 147,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,877.52 : 400,253.38 = 98,306.28 : x
  2. Step 2: Convert to fraction form
    266,877.52/400,253.38 = 98,306.28/x
  3. Step 3: Cross multiply
    266,877.52x = 400,253.38 × 98,306.28
  4. Step 4: Simplify right side
    266,877.52x = 39,347,420,599.46
  5. Step 5: Solve for x
    x = 39,347,420,599.46/266,877.52
  6. Step 6: Final answer
    x = 147,436.25

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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.