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Finding the Fourth Proportional to 358,265.44, 537,378.72 and 108,928

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Solution

The fourth proportional to 358,265.44, 537,378.72 and 108,928 is: 163,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,265.44 : 537,378.72 = 108,928 : x
  2. Step 2: Convert to fraction form
    358,265.44/537,378.72 = 108,928/x
  3. Step 3: Cross multiply
    358,265.44x = 537,378.72 × 108,928
  4. Step 4: Simplify right side
    358,265.44x = 58,535,589,212.16
  5. Step 5: Solve for x
    x = 58,535,589,212.16/358,265.44
  6. Step 6: Final answer
    x = 163,386.09

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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.