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Finding the Fourth Proportional to 283,545.79, 391,300.23 and 174,608.89

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Solution

The fourth proportional to 283,545.79, 391,300.23 and 174,608.89 is: 240,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,545.79 : 391,300.23 = 174,608.89 : x
  2. Step 2: Convert to fraction form
    283,545.79/391,300.23 = 174,608.89/x
  3. Step 3: Cross multiply
    283,545.79x = 391,300.23 × 174,608.89
  4. Step 4: Simplify right side
    283,545.79x = 68,324,498,493.58
  5. Step 5: Solve for x
    x = 68,324,498,493.58/283,545.79
  6. Step 6: Final answer
    x = 240,964.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.