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Finding the Fourth Proportional to 429,991.52, 593,395.42 and 236,407.42

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Solution

The fourth proportional to 429,991.52, 593,395.42 and 236,407.42 is: 326,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,991.52 : 593,395.42 = 236,407.42 : x
  2. Step 2: Convert to fraction form
    429,991.52/593,395.42 = 236,407.42/x
  3. Step 3: Cross multiply
    429,991.52x = 593,395.42 × 236,407.42
  4. Step 4: Simplify right side
    429,991.52x = 140,283,080,282.02
  5. Step 5: Solve for x
    x = 140,283,080,282.02/429,991.52
  6. Step 6: Final answer
    x = 326,246.16

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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.