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Finding the Fourth Proportional to 329,530.10, 462,391.90 and 329,530.10

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Solution

The fourth proportional to 329,530.10, 462,391.90 and 329,530.10 is: 462,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,530.10 : 462,391.90 = 329,530.10 : x
  2. Step 2: Convert to fraction form
    329,530.10/462,391.90 = 329,530.10/x
  3. Step 3: Cross multiply
    329,530.10x = 462,391.90 × 329,530.10
  4. Step 4: Simplify right side
    329,530.10x = 152,372,049,046.19
  5. Step 5: Solve for x
    x = 152,372,049,046.19/329,530.10
  6. Step 6: Final answer
    x = 462,391.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.