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Finding the Fourth Proportional to 207,301.60, 310,563.60 and 193,304.80

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Solution

The fourth proportional to 207,301.60, 310,563.60 and 193,304.80 is: 289,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,301.60 : 310,563.60 = 193,304.80 : x
  2. Step 2: Convert to fraction form
    207,301.60/310,563.60 = 193,304.80/x
  3. Step 3: Cross multiply
    207,301.60x = 310,563.60 × 193,304.80
  4. Step 4: Simplify right side
    207,301.60x = 60,033,434,585.28
  5. Step 5: Solve for x
    x = 60,033,434,585.28/207,301.60
  6. Step 6: Final answer
    x = 289,594.65

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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.