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Finding the Fourth Proportional to 403,350, 604,883.85 and 118,965.06

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Solution

The fourth proportional to 403,350, 604,883.85 and 118,965.06 is: 178,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350 : 604,883.85 = 118,965.06 : x
  2. Step 2: Convert to fraction form
    403,350/604,883.85 = 118,965.06/x
  3. Step 3: Cross multiply
    403,350x = 604,883.85 × 118,965.06
  4. Step 4: Simplify right side
    403,350x = 71,960,043,508.28
  5. Step 5: Solve for x
    x = 71,960,043,508.28/403,350
  6. Step 6: Final answer
    x = 178,405.96

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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.