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Finding the Fourth Proportional to 655,205.52, 982,698.72 and 181,938.72

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Solution

The fourth proportional to 655,205.52, 982,698.72 and 181,938.72 is: 272,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,205.52 : 982,698.72 = 181,938.72 : x
  2. Step 2: Convert to fraction form
    655,205.52/982,698.72 = 181,938.72/x
  3. Step 3: Cross multiply
    655,205.52x = 982,698.72 × 181,938.72
  4. Step 4: Simplify right side
    655,205.52x = 178,790,947,262.44
  5. Step 5: Solve for x
    x = 178,790,947,262.44/655,205.52
  6. Step 6: Final answer
    x = 272,877.66

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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.