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Finding the Fourth Proportional to 550,605.20, 825,907.80 and 195,655.10

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Solution

The fourth proportional to 550,605.20, 825,907.80 and 195,655.10 is: 293,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,605.20 : 825,907.80 = 195,655.10 : x
  2. Step 2: Convert to fraction form
    550,605.20/825,907.80 = 195,655.10/x
  3. Step 3: Cross multiply
    550,605.20x = 825,907.80 × 195,655.10
  4. Step 4: Simplify right side
    550,605.20x = 161,593,073,199.78
  5. Step 5: Solve for x
    x = 161,593,073,199.78/550,605.20
  6. Step 6: Final answer
    x = 293,482.65

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Similar ratio
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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.