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Finding the Fourth Proportional to 360,062.46, 539,968.56 and 200,382.06

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Solution

The fourth proportional to 360,062.46, 539,968.56 and 200,382.06 is: 300,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,062.46 : 539,968.56 = 200,382.06 : x
  2. Step 2: Convert to fraction form
    360,062.46/539,968.56 = 200,382.06/x
  3. Step 3: Cross multiply
    360,062.46x = 539,968.56 × 200,382.06
  4. Step 4: Simplify right side
    360,062.46x = 108,200,012,388.03
  5. Step 5: Solve for x
    x = 108,200,012,388.03/360,062.46
  6. Step 6: Final answer
    x = 300,503.45

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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.