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Finding the Fourth Proportional to 429,801.40, 593,128.56 and 236,207.08

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Solution

The fourth proportional to 429,801.40, 593,128.56 and 236,207.08 is: 325,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,801.40 : 593,128.56 = 236,207.08 : x
  2. Step 2: Convert to fraction form
    429,801.40/593,128.56 = 236,207.08/x
  3. Step 3: Cross multiply
    429,801.40x = 593,128.56 × 236,207.08
  4. Step 4: Simplify right side
    429,801.40x = 140,101,165,222.21
  5. Step 5: Solve for x
    x = 140,101,165,222.21/429,801.40
  6. Step 6: Final answer
    x = 325,967.21

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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.