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Finding the Fourth Proportional to 266,490.71, 367,639.05 and 158,998.24

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Solution

The fourth proportional to 266,490.71, 367,639.05 and 158,998.24 is: 219,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,490.71 : 367,639.05 = 158,998.24 : x
  2. Step 2: Convert to fraction form
    266,490.71/367,639.05 = 158,998.24/x
  3. Step 3: Cross multiply
    266,490.71x = 367,639.05 × 158,998.24
  4. Step 4: Simplify right side
    266,490.71x = 58,453,961,905.27
  5. Step 5: Solve for x
    x = 58,453,961,905.27/266,490.71
  6. Step 6: Final answer
    x = 219,347.09

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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.