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Finding the Fourth Proportional to 240,405.90, 360,171.45 and 195,791.10

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Solution

The fourth proportional to 240,405.90, 360,171.45 and 195,791.10 is: 293,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,405.90 : 360,171.45 = 195,791.10 : x
  2. Step 2: Convert to fraction form
    240,405.90/360,171.45 = 195,791.10/x
  3. Step 3: Cross multiply
    240,405.90x = 360,171.45 × 195,791.10
  4. Step 4: Simplify right side
    240,405.90x = 70,518,364,384.10
  5. Step 5: Solve for x
    x = 70,518,364,384.10/240,405.90
  6. Step 6: Final answer
    x = 293,330.42

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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.