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Finding the Fourth Proportional to 353,862.72, 530,794.08 and 104,525.28

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Solution

The fourth proportional to 353,862.72, 530,794.08 and 104,525.28 is: 156,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,862.72 : 530,794.08 = 104,525.28 : x
  2. Step 2: Convert to fraction form
    353,862.72/530,794.08 = 104,525.28/x
  3. Step 3: Cross multiply
    353,862.72x = 530,794.08 × 104,525.28
  4. Step 4: Simplify right side
    353,862.72x = 55,481,399,834.34
  5. Step 5: Solve for x
    x = 55,481,399,834.34/353,862.72
  6. Step 6: Final answer
    x = 156,787.92

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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.