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Finding the Fourth Proportional to 266,491.40, 367,640.00 and 158,998.93

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Solution

The fourth proportional to 266,491.40, 367,640.00 and 158,998.93 is: 219,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,491.40 : 367,640.00 = 158,998.93 : x
  2. Step 2: Convert to fraction form
    266,491.40/367,640.00 = 158,998.93/x
  3. Step 3: Cross multiply
    266,491.40x = 367,640.00 × 158,998.93
  4. Step 4: Simplify right side
    266,491.40x = 58,454,365,507.35
  5. Step 5: Solve for x
    x = 58,454,365,507.35/266,491.40
  6. Step 6: Final answer
    x = 219,348.04

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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.