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Finding the Fourth Proportional to 262,125.78, 361,646.56 and 213,644.44

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Solution

The fourth proportional to 262,125.78, 361,646.56 and 213,644.44 is: 294,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,125.78 : 361,646.56 = 213,644.44 : x
  2. Step 2: Convert to fraction form
    262,125.78/361,646.56 = 213,644.44/x
  3. Step 3: Cross multiply
    262,125.78x = 361,646.56 × 213,644.44
  4. Step 4: Simplify right side
    262,125.78x = 77,263,776,789.13
  5. Step 5: Solve for x
    x = 77,263,776,789.13/262,125.78
  6. Step 6: Final answer
    x = 294,758.40

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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.