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Finding the Fourth Proportional to 403,088.88, 604,458.20 and 122,540.52

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Solution

The fourth proportional to 403,088.88, 604,458.20 and 122,540.52 is: 183,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,088.88 : 604,458.20 = 122,540.52 : x
  2. Step 2: Convert to fraction form
    403,088.88/604,458.20 = 122,540.52/x
  3. Step 3: Cross multiply
    403,088.88x = 604,458.20 × 122,540.52
  4. Step 4: Simplify right side
    403,088.88x = 74,070,622,146.26
  5. Step 5: Solve for x
    x = 74,070,622,146.26/403,088.88
  6. Step 6: Final answer
    x = 183,757.54

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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.