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Finding the Fourth Proportional to 240,574.32, 360,859.86 and 188,028

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Solution

The fourth proportional to 240,574.32, 360,859.86 and 188,028 is: 282,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,574.32 : 360,859.86 = 188,028 : x
  2. Step 2: Convert to fraction form
    240,574.32/360,859.86 = 188,028/x
  3. Step 3: Cross multiply
    240,574.32x = 360,859.86 × 188,028
  4. Step 4: Simplify right side
    240,574.32x = 67,851,757,756.08
  5. Step 5: Solve for x
    x = 67,851,757,756.08/240,574.32
  6. Step 6: Final answer
    x = 282,040.73

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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.