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Finding the Fourth Proportional to 360,281.36, 497,190.26 and 196,938.11

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Solution

The fourth proportional to 360,281.36, 497,190.26 and 196,938.11 is: 271,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,281.36 : 497,190.26 = 196,938.11 : x
  2. Step 2: Convert to fraction form
    360,281.36/497,190.26 = 196,938.11/x
  3. Step 3: Cross multiply
    360,281.36x = 497,190.26 × 196,938.11
  4. Step 4: Simplify right side
    360,281.36x = 97,915,711,850.13
  5. Step 5: Solve for x
    x = 97,915,711,850.13/360,281.36
  6. Step 6: Final answer
    x = 271,775.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.