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Finding the Fourth Proportional to 207,496.20, 311,244.30 and 195,030.30

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Solution

The fourth proportional to 207,496.20, 311,244.30 and 195,030.30 is: 292,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,496.20 : 311,244.30 = 195,030.30 : x
  2. Step 2: Convert to fraction form
    207,496.20/311,244.30 = 195,030.30/x
  3. Step 3: Cross multiply
    207,496.20x = 311,244.30 × 195,030.30
  4. Step 4: Simplify right side
    207,496.20x = 60,702,069,202.29
  5. Step 5: Solve for x
    x = 60,702,069,202.29/207,496.20
  6. Step 6: Final answer
    x = 292,545.45

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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.