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Finding the Fourth Proportional to 655,280.84, 982,921.67 and 181,966.25

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Solution

The fourth proportional to 655,280.84, 982,921.67 and 181,966.25 is: 272,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,280.84 : 982,921.67 = 181,966.25 : x
  2. Step 2: Convert to fraction form
    655,280.84/982,921.67 = 181,966.25/x
  3. Step 3: Cross multiply
    655,280.84x = 982,921.67 × 181,966.25
  4. Step 4: Simplify right side
    655,280.84x = 178,858,564,509.20
  5. Step 5: Solve for x
    x = 178,858,564,509.20/655,280.84
  6. Step 6: Final answer
    x = 272,949.48

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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.