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Finding the Fourth Proportional to 403,310.97, 604,866.02 and 122,824.17

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Solution

The fourth proportional to 403,310.97, 604,866.02 and 122,824.17 is: 184,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,310.97 : 604,866.02 = 122,824.17 : x
  2. Step 2: Convert to fraction form
    403,310.97/604,866.02 = 122,824.17/x
  3. Step 3: Cross multiply
    403,310.97x = 604,866.02 × 122,824.17
  4. Step 4: Simplify right side
    403,310.97x = 74,292,166,253.58
  5. Step 5: Solve for x
    x = 74,292,166,253.58/403,310.97
  6. Step 6: Final answer
    x = 184,205.67

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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.