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Finding the Fourth Proportional to 326,232.60, 489,348.90 and 113,000.10

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Solution

The fourth proportional to 326,232.60, 489,348.90 and 113,000.10 is: 169,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,232.60 : 489,348.90 = 113,000.10 : x
  2. Step 2: Convert to fraction form
    326,232.60/489,348.90 = 113,000.10/x
  3. Step 3: Cross multiply
    326,232.60x = 489,348.90 × 113,000.10
  4. Step 4: Simplify right side
    326,232.60x = 55,296,474,634.89
  5. Step 5: Solve for x
    x = 55,296,474,634.89/326,232.60
  6. Step 6: Final answer
    x = 169,500.15

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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.