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Finding the Fourth Proportional to 657,448.96, 986,173.44 and 158,812.96

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Solution

The fourth proportional to 657,448.96, 986,173.44 and 158,812.96 is: 238,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,448.96 : 986,173.44 = 158,812.96 : x
  2. Step 2: Convert to fraction form
    657,448.96/986,173.44 = 158,812.96/x
  3. Step 3: Cross multiply
    657,448.96x = 986,173.44 × 158,812.96
  4. Step 4: Simplify right side
    657,448.96x = 156,617,123,079.78
  5. Step 5: Solve for x
    x = 156,617,123,079.78/657,448.96
  6. Step 6: Final answer
    x = 238,219.44

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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.