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Finding the Fourth Proportional to 608,882.67, 913,253.78 and 159,639.21

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Solution

The fourth proportional to 608,882.67, 913,253.78 and 159,639.21 is: 239,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,882.67 : 913,253.78 = 159,639.21 : x
  2. Step 2: Convert to fraction form
    608,882.67/913,253.78 = 159,639.21/x
  3. Step 3: Cross multiply
    608,882.67x = 913,253.78 × 159,639.21
  4. Step 4: Simplify right side
    608,882.67x = 145,791,112,897.69
  5. Step 5: Solve for x
    x = 145,791,112,897.69/608,882.67
  6. Step 6: Final answer
    x = 239,440.40

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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.