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Finding the Fourth Proportional to 353,869.46, 530,810.36 and 117,218.29

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Solution

The fourth proportional to 353,869.46, 530,810.36 and 117,218.29 is: 175,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,869.46 : 530,810.36 = 117,218.29 : x
  2. Step 2: Convert to fraction form
    353,869.46/530,810.36 = 117,218.29/x
  3. Step 3: Cross multiply
    353,869.46x = 530,810.36 × 117,218.29
  4. Step 4: Simplify right side
    353,869.46x = 62,220,682,894.56
  5. Step 5: Solve for x
    x = 62,220,682,894.56/353,869.46
  6. Step 6: Final answer
    x = 175,829.48

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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.