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Finding the Fourth Proportional to 360,583, 540,759.48 and 123,868.60

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Solution

The fourth proportional to 360,583, 540,759.48 and 123,868.60 is: 185,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,583 : 540,759.48 = 123,868.60 : x
  2. Step 2: Convert to fraction form
    360,583/540,759.48 = 123,868.60/x
  3. Step 3: Cross multiply
    360,583x = 540,759.48 × 123,868.60
  4. Step 4: Simplify right side
    360,583x = 66,983,119,724.33
  5. Step 5: Solve for x
    x = 66,983,119,724.33/360,583
  6. Step 6: Final answer
    x = 185,763.39

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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.