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Finding the Fourth Proportional to 240,628.18, 360,739.32 and 151,685.68

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Solution

The fourth proportional to 240,628.18, 360,739.32 and 151,685.68 is: 227,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,628.18 : 360,739.32 = 151,685.68 : x
  2. Step 2: Convert to fraction form
    240,628.18/360,739.32 = 151,685.68/x
  3. Step 3: Cross multiply
    240,628.18x = 360,739.32 × 151,685.68
  4. Step 4: Simplify right side
    240,628.18x = 54,718,989,056.94
  5. Step 5: Solve for x
    x = 54,718,989,056.94/240,628.18
  6. Step 6: Final answer
    x = 227,400.59

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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.