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Finding the Fourth Proportional to 657,786.94, 986,680.44 and 159,150.94

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Solution

The fourth proportional to 657,786.94, 986,680.44 and 159,150.94 is: 238,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,786.94 : 986,680.44 = 159,150.94 : x
  2. Step 2: Convert to fraction form
    657,786.94/986,680.44 = 159,150.94/x
  3. Step 3: Cross multiply
    657,786.94x = 986,680.44 × 159,150.94
  4. Step 4: Simplify right side
    657,786.94x = 157,031,119,505.61
  5. Step 5: Solve for x
    x = 157,031,119,505.61/657,786.94
  6. Step 6: Final answer
    x = 238,726.42

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Double scale
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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.