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Finding the Fourth Proportional to 286,586.46, 429,319.14 and 236,058.03

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Solution

The fourth proportional to 286,586.46, 429,319.14 and 236,058.03 is: 353,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,586.46 : 429,319.14 = 236,058.03 : x
  2. Step 2: Convert to fraction form
    286,586.46/429,319.14 = 236,058.03/x
  3. Step 3: Cross multiply
    286,586.46x = 429,319.14 × 236,058.03
  4. Step 4: Simplify right side
    286,586.46x = 101,344,230,429.69
  5. Step 5: Solve for x
    x = 101,344,230,429.69/286,586.46
  6. Step 6: Final answer
    x = 353,625.33

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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.