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Finding the Fourth Proportional to 240,207.48, 360,617.40 and 195,920.64

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Solution

The fourth proportional to 240,207.48, 360,617.40 and 195,920.64 is: 294,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,207.48 : 360,617.40 = 195,920.64 : x
  2. Step 2: Convert to fraction form
    240,207.48/360,617.40 = 195,920.64/x
  3. Step 3: Cross multiply
    240,207.48x = 360,617.40 × 195,920.64
  4. Step 4: Simplify right side
    240,207.48x = 70,652,391,803.14
  5. Step 5: Solve for x
    x = 70,652,391,803.14/240,207.48
  6. Step 6: Final answer
    x = 294,130.69

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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.