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Finding the Fourth Proportional to 240,424.60, 360,636.90 and 74,212.60

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Solution

The fourth proportional to 240,424.60, 360,636.90 and 74,212.60 is: 111,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,424.60 : 360,636.90 = 74,212.60 : x
  2. Step 2: Convert to fraction form
    240,424.60/360,636.90 = 74,212.60/x
  3. Step 3: Cross multiply
    240,424.60x = 360,636.90 × 74,212.60
  4. Step 4: Simplify right side
    240,424.60x = 26,763,802,004.94
  5. Step 5: Solve for x
    x = 26,763,802,004.94/240,424.60
  6. Step 6: Final answer
    x = 111,318.90

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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.