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Finding the Fourth Proportional to 429,564.26, 592,863.36 and 309,104.30

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Solution

The fourth proportional to 429,564.26, 592,863.36 and 309,104.30 is: 426,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,564.26 : 592,863.36 = 309,104.30 : x
  2. Step 2: Convert to fraction form
    429,564.26/592,863.36 = 309,104.30/x
  3. Step 3: Cross multiply
    429,564.26x = 592,863.36 × 309,104.30
  4. Step 4: Simplify right side
    429,564.26x = 183,256,613,888.45
  5. Step 5: Solve for x
    x = 183,256,613,888.45/429,564.26
  6. Step 6: Final answer
    x = 426,610.48

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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.