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Finding the Fourth Proportional to 657,792.26, 986,688.39 and 159,156.26

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Solution

The fourth proportional to 657,792.26, 986,688.39 and 159,156.26 is: 238,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,792.26 : 986,688.39 = 159,156.26 : x
  2. Step 2: Convert to fraction form
    657,792.26/986,688.39 = 159,156.26/x
  3. Step 3: Cross multiply
    657,792.26x = 986,688.39 × 159,156.26
  4. Step 4: Simplify right side
    657,792.26x = 157,037,629,004.38
  5. Step 5: Solve for x
    x = 157,037,629,004.38/657,792.26
  6. Step 6: Final answer
    x = 238,734.38

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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.