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Finding the Fourth Proportional to 240,616.50, 360,924.75 and 74,404.50

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Solution

The fourth proportional to 240,616.50, 360,924.75 and 74,404.50 is: 111,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.50 : 360,924.75 = 74,404.50 : x
  2. Step 2: Convert to fraction form
    240,616.50/360,924.75 = 74,404.50/x
  3. Step 3: Cross multiply
    240,616.50x = 360,924.75 × 74,404.50
  4. Step 4: Simplify right side
    240,616.50x = 26,854,425,561.38
  5. Step 5: Solve for x
    x = 26,854,425,561.38/240,616.50
  6. Step 6: Final answer
    x = 111,606.75

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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.