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Finding the Fourth Proportional to 297,516.76, 446,278.80 and 87,158.98

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Solution

The fourth proportional to 297,516.76, 446,278.80 and 87,158.98 is: 130,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,516.76 : 446,278.80 = 87,158.98 : x
  2. Step 2: Convert to fraction form
    297,516.76/446,278.80 = 87,158.98/x
  3. Step 3: Cross multiply
    297,516.76x = 446,278.80 × 87,158.98
  4. Step 4: Simplify right side
    297,516.76x = 38,897,205,003.62
  5. Step 5: Solve for x
    x = 38,897,205,003.62/297,516.76
  6. Step 6: Final answer
    x = 130,739.54

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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.