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Finding the Fourth Proportional to 463,751.49, 639,656.92 and 326,222.00

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Solution

The fourth proportional to 463,751.49, 639,656.92 and 326,222.00 is: 449,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,751.49 : 639,656.92 = 326,222.00 : x
  2. Step 2: Convert to fraction form
    463,751.49/639,656.92 = 326,222.00/x
  3. Step 3: Cross multiply
    463,751.49x = 639,656.92 × 326,222.00
  4. Step 4: Simplify right side
    463,751.49x = 208,670,154,926.85
  5. Step 5: Solve for x
    x = 208,670,154,926.85/463,751.49
  6. Step 6: Final answer
    x = 449,961.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.