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Finding the Fourth Proportional to 266,432.69, 367,630.75 and 158,996.32

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Solution

The fourth proportional to 266,432.69, 367,630.75 and 158,996.32 is: 219,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,432.69 : 367,630.75 = 158,996.32 : x
  2. Step 2: Convert to fraction form
    266,432.69/367,630.75 = 158,996.32/x
  3. Step 3: Cross multiply
    266,432.69x = 367,630.75 × 158,996.32
  4. Step 4: Simplify right side
    266,432.69x = 58,451,935,648.51
  5. Step 5: Solve for x
    x = 58,451,935,648.51/266,432.69
  6. Step 6: Final answer
    x = 219,387.25

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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.