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Finding the Fourth Proportional to 360,066.33, 496,866.56 and 198,920.07

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Solution

The fourth proportional to 360,066.33, 496,866.56 and 198,920.07 is: 274,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,066.33 : 496,866.56 = 198,920.07 : x
  2. Step 2: Convert to fraction form
    360,066.33/496,866.56 = 198,920.07/x
  3. Step 3: Cross multiply
    360,066.33x = 496,866.56 × 198,920.07
  4. Step 4: Simplify right side
    360,066.33x = 98,836,729,901.26
  5. Step 5: Solve for x
    x = 98,836,729,901.26/360,066.33
  6. Step 6: Final answer
    x = 274,495.90

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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.