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Finding the Fourth Proportional to 327,925.60, 491,888.40 and 103,314.40

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Solution

The fourth proportional to 327,925.60, 491,888.40 and 103,314.40 is: 154,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,925.60 : 491,888.40 = 103,314.40 : x
  2. Step 2: Convert to fraction form
    327,925.60/491,888.40 = 103,314.40/x
  3. Step 3: Cross multiply
    327,925.60x = 491,888.40 × 103,314.40
  4. Step 4: Simplify right side
    327,925.60x = 50,819,154,912.96
  5. Step 5: Solve for x
    x = 50,819,154,912.96/327,925.60
  6. Step 6: Final answer
    x = 154,971.60

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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.