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Finding the Fourth Proportional to 362,609.84, 543,871.56 and 96,389.84

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Solution

The fourth proportional to 362,609.84, 543,871.56 and 96,389.84 is: 144,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,609.84 : 543,871.56 = 96,389.84 : x
  2. Step 2: Convert to fraction form
    362,609.84/543,871.56 = 96,389.84/x
  3. Step 3: Cross multiply
    362,609.84x = 543,871.56 × 96,389.84
  4. Step 4: Simplify right side
    362,609.84x = 52,423,692,648.95
  5. Step 5: Solve for x
    x = 52,423,692,648.95/362,609.84
  6. Step 6: Final answer
    x = 144,573.28

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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.