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Finding the Fourth Proportional to 297,707.59, 410,854.85 and 170,380.45

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Solution

The fourth proportional to 297,707.59, 410,854.85 and 170,380.45 is: 235,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,707.59 : 410,854.85 = 170,380.45 : x
  2. Step 2: Convert to fraction form
    297,707.59/410,854.85 = 170,380.45/x
  3. Step 3: Cross multiply
    297,707.59x = 410,854.85 × 170,380.45
  4. Step 4: Simplify right side
    297,707.59x = 70,001,634,227.68
  5. Step 5: Solve for x
    x = 70,001,634,227.68/297,707.59
  6. Step 6: Final answer
    x = 235,135.54

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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.