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Finding the Fourth Proportional to 469,901.54, 704,839.55 and 325,666.46

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Solution

The fourth proportional to 469,901.54, 704,839.55 and 325,666.46 is: 488,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,901.54 : 704,839.55 = 325,666.46 : x
  2. Step 2: Convert to fraction form
    469,901.54/704,839.55 = 325,666.46/x
  3. Step 3: Cross multiply
    469,901.54x = 704,839.55 × 325,666.46
  4. Step 4: Simplify right side
    469,901.54x = 229,542,601,116.49
  5. Step 5: Solve for x
    x = 229,542,601,116.49/469,901.54
  6. Step 6: Final answer
    x = 488,490.85

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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.