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Finding the Fourth Proportional to 528,204.60, 790,954.20 and 291,284.46

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Solution

The fourth proportional to 528,204.60, 790,954.20 and 291,284.46 is: 436,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,204.60 : 790,954.20 = 291,284.46 : x
  2. Step 2: Convert to fraction form
    528,204.60/790,954.20 = 291,284.46/x
  3. Step 3: Cross multiply
    528,204.60x = 790,954.20 × 291,284.46
  4. Step 4: Simplify right side
    528,204.60x = 230,392,667,031.73
  5. Step 5: Solve for x
    x = 230,392,667,031.73/528,204.60
  6. Step 6: Final answer
    x = 436,180.73

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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.