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Finding the Fourth Proportional to 240,576.32, 360,862.86 and 188,030

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Solution

The fourth proportional to 240,576.32, 360,862.86 and 188,030 is: 282,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,576.32 : 360,862.86 = 188,030 : x
  2. Step 2: Convert to fraction form
    240,576.32/360,862.86 = 188,030/x
  3. Step 3: Cross multiply
    240,576.32x = 360,862.86 × 188,030
  4. Step 4: Simplify right side
    240,576.32x = 67,853,043,565.80
  5. Step 5: Solve for x
    x = 67,853,043,565.80/240,576.32
  6. Step 6: Final answer
    x = 282,043.73

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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.