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Finding the Fourth Proportional to 657,792.03, 986,688.09 and 159,156.03

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Solution

The fourth proportional to 657,792.03, 986,688.09 and 159,156.03 is: 238,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,792.03 : 986,688.09 = 159,156.03 : x
  2. Step 2: Convert to fraction form
    657,792.03/986,688.09 = 159,156.03/x
  3. Step 3: Cross multiply
    657,792.03x = 986,688.09 × 159,156.03
  4. Step 4: Simplify right side
    657,792.03x = 157,037,359,252.68
  5. Step 5: Solve for x
    x = 157,037,359,252.68/657,792.03
  6. Step 6: Final answer
    x = 238,734.06

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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.