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Finding the Fourth Proportional to 365,031.60, 503,757.95 and 212,067.96

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Solution

The fourth proportional to 365,031.60, 503,757.95 and 212,067.96 is: 292,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,031.60 : 503,757.95 = 212,067.96 : x
  2. Step 2: Convert to fraction form
    365,031.60/503,757.95 = 212,067.96/x
  3. Step 3: Cross multiply
    365,031.60x = 503,757.95 × 212,067.96
  4. Step 4: Simplify right side
    365,031.60x = 106,830,919,729.94
  5. Step 5: Solve for x
    x = 106,830,919,729.94/365,031.60
  6. Step 6: Final answer
    x = 292,662.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.