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Finding the Fourth Proportional to 240,652, 360,997.44 and 74,440

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Solution

The fourth proportional to 240,652, 360,997.44 and 74,440 is: 111,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,652 : 360,997.44 = 74,440 : x
  2. Step 2: Convert to fraction form
    240,652/360,997.44 = 74,440/x
  3. Step 3: Cross multiply
    240,652x = 360,997.44 × 74,440
  4. Step 4: Simplify right side
    240,652x = 26,872,649,433.60
  5. Step 5: Solve for x
    x = 26,872,649,433.60/240,652
  6. Step 6: Final answer
    x = 111,666.01

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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.