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Finding the Fourth Proportional to 357,302.18, 493,100.92 and 236,235.30

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Solution

The fourth proportional to 357,302.18, 493,100.92 and 236,235.30 is: 326,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,302.18 : 493,100.92 = 236,235.30 : x
  2. Step 2: Convert to fraction form
    357,302.18/493,100.92 = 236,235.30/x
  3. Step 3: Cross multiply
    357,302.18x = 493,100.92 × 236,235.30
  4. Step 4: Simplify right side
    357,302.18x = 116,487,843,766.48
  5. Step 5: Solve for x
    x = 116,487,843,766.48/357,302.18
  6. Step 6: Final answer
    x = 326,020.52

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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.