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Finding the Fourth Proportional to 365,659.60, 548,489.40 and 326,952.40

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Solution

The fourth proportional to 365,659.60, 548,489.40 and 326,952.40 is: 490,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,659.60 : 548,489.40 = 326,952.40 : x
  2. Step 2: Convert to fraction form
    365,659.60/548,489.40 = 326,952.40/x
  3. Step 3: Cross multiply
    365,659.60x = 548,489.40 × 326,952.40
  4. Step 4: Simplify right side
    365,659.60x = 179,329,925,704.56
  5. Step 5: Solve for x
    x = 179,329,925,704.56/365,659.60
  6. Step 6: Final answer
    x = 490,428.60

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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.