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Finding the Fourth Proportional to 308,040.84, 461,584.98 and 240,412.55

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Solution

The fourth proportional to 308,040.84, 461,584.98 and 240,412.55 is: 360,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,040.84 : 461,584.98 = 240,412.55 : x
  2. Step 2: Convert to fraction form
    308,040.84/461,584.98 = 240,412.55/x
  3. Step 3: Cross multiply
    308,040.84x = 461,584.98 × 240,412.55
  4. Step 4: Simplify right side
    308,040.84x = 110,970,819,775.57
  5. Step 5: Solve for x
    x = 110,970,819,775.57/308,040.84
  6. Step 6: Final answer
    x = 360,247.10

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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.