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Finding the Fourth Proportional to 483,907.10, 725,860.65 and 168,140.75

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Solution

The fourth proportional to 483,907.10, 725,860.65 and 168,140.75 is: 252,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,907.10 : 725,860.65 = 168,140.75 : x
  2. Step 2: Convert to fraction form
    483,907.10/725,860.65 = 168,140.75/x
  3. Step 3: Cross multiply
    483,907.10x = 725,860.65 × 168,140.75
  4. Step 4: Simplify right side
    483,907.10x = 122,046,754,086.49
  5. Step 5: Solve for x
    x = 122,046,754,086.49/483,907.10
  6. Step 6: Final answer
    x = 252,211.13

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Similar ratio
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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.