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Finding the Fourth Proportional to 376,588.30, 564,882.45 and 127,266.70

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Solution

The fourth proportional to 376,588.30, 564,882.45 and 127,266.70 is: 190,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,588.30 : 564,882.45 = 127,266.70 : x
  2. Step 2: Convert to fraction form
    376,588.30/564,882.45 = 127,266.70/x
  3. Step 3: Cross multiply
    376,588.30x = 564,882.45 × 127,266.70
  4. Step 4: Simplify right side
    376,588.30x = 71,890,725,299.42
  5. Step 5: Solve for x
    x = 71,890,725,299.42/376,588.30
  6. Step 6: Final answer
    x = 190,900.05

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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.