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Finding the Fourth Proportional to 502,067.44, 692,857.56 and 275,714.56

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Solution

The fourth proportional to 502,067.44, 692,857.56 and 275,714.56 is: 380,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,067.44 : 692,857.56 = 275,714.56 : x
  2. Step 2: Convert to fraction form
    502,067.44/692,857.56 = 275,714.56/x
  3. Step 3: Cross multiply
    502,067.44x = 692,857.56 × 275,714.56
  4. Step 4: Simplify right side
    502,067.44x = 191,030,917,298.07
  5. Step 5: Solve for x
    x = 191,030,917,298.07/502,067.44
  6. Step 6: Final answer
    x = 380,488.56

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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.