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Finding the Fourth Proportional to 403,404.72, 604,291.68 and 203,447.04

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Solution

The fourth proportional to 403,404.72, 604,291.68 and 203,447.04 is: 304,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,404.72 : 604,291.68 = 203,447.04 : x
  2. Step 2: Convert to fraction form
    403,404.72/604,291.68 = 203,447.04/x
  3. Step 3: Cross multiply
    403,404.72x = 604,291.68 × 203,447.04
  4. Step 4: Simplify right side
    403,404.72x = 122,941,353,592.63
  5. Step 5: Solve for x
    x = 122,941,353,592.63/403,404.72
  6. Step 6: Final answer
    x = 304,759.33

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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.