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Finding the Fourth Proportional to 469,706.45, 704,512.95 and 216,983.33

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Solution

The fourth proportional to 469,706.45, 704,512.95 and 216,983.33 is: 325,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,706.45 : 704,512.95 = 216,983.33 : x
  2. Step 2: Convert to fraction form
    469,706.45/704,512.95 = 216,983.33/x
  3. Step 3: Cross multiply
    469,706.45x = 704,512.95 × 216,983.33
  4. Step 4: Simplify right side
    469,706.45x = 152,867,561,311.64
  5. Step 5: Solve for x
    x = 152,867,561,311.64/469,706.45
  6. Step 6: Final answer
    x = 325,453.40

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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.