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Finding the Fourth Proportional to 286,580.61, 429,310.38 and 236,052.17

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Solution

The fourth proportional to 286,580.61, 429,310.38 and 236,052.17 is: 353,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,580.61 : 429,310.38 = 236,052.17 : x
  2. Step 2: Convert to fraction form
    286,580.61/429,310.38 = 236,052.17/x
  3. Step 3: Cross multiply
    286,580.61x = 429,310.38 × 236,052.17
  4. Step 4: Simplify right side
    286,580.61x = 101,339,648,238.16
  5. Step 5: Solve for x
    x = 101,339,648,238.16/286,580.61
  6. Step 6: Final answer
    x = 353,616.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.