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Finding the Fourth Proportional to 266,077.70, 399,116.55 and 237,209.30

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Solution

The fourth proportional to 266,077.70, 399,116.55 and 237,209.30 is: 355,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,077.70 : 399,116.55 = 237,209.30 : x
  2. Step 2: Convert to fraction form
    266,077.70/399,116.55 = 237,209.30/x
  3. Step 3: Cross multiply
    266,077.70x = 399,116.55 × 237,209.30
  4. Step 4: Simplify right side
    266,077.70x = 94,674,157,443.92
  5. Step 5: Solve for x
    x = 94,674,157,443.92/266,077.70
  6. Step 6: Final answer
    x = 355,813.95

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Similar ratio
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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.