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Finding the Fourth Proportional to 207,322.60, 310,595.10 and 193,325.80

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Solution

The fourth proportional to 207,322.60, 310,595.10 and 193,325.80 is: 289,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,322.60 : 310,595.10 = 193,325.80 : x
  2. Step 2: Convert to fraction form
    207,322.60/310,595.10 = 193,325.80/x
  3. Step 3: Cross multiply
    207,322.60x = 310,595.10 × 193,325.80
  4. Step 4: Simplify right side
    207,322.60x = 60,046,046,183.58
  5. Step 5: Solve for x
    x = 60,046,046,183.58/207,322.60
  6. Step 6: Final answer
    x = 289,626.15

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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.