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Finding the Fourth Proportional to 533,356.96, 799,916.80 and 154,194.88

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Solution

The fourth proportional to 533,356.96, 799,916.80 and 154,194.88 is: 231,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,356.96 : 799,916.80 = 154,194.88 : x
  2. Step 2: Convert to fraction form
    533,356.96/799,916.80 = 154,194.88/x
  3. Step 3: Cross multiply
    533,356.96x = 799,916.80 × 154,194.88
  4. Step 4: Simplify right side
    533,356.96x = 123,343,074,985.98
  5. Step 5: Solve for x
    x = 123,343,074,985.98/533,356.96
  6. Step 6: Final answer
    x = 231,258.02

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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.