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Finding the Fourth Proportional to 357,304.68, 493,104.38 and 236,237.81

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Solution

The fourth proportional to 357,304.68, 493,104.38 and 236,237.81 is: 326,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,304.68 : 493,104.38 = 236,237.81 : x
  2. Step 2: Convert to fraction form
    357,304.68/493,104.38 = 236,237.81/x
  3. Step 3: Cross multiply
    357,304.68x = 493,104.38 × 236,237.81
  4. Step 4: Simplify right side
    357,304.68x = 116,489,895,185.90
  5. Step 5: Solve for x
    x = 116,489,895,185.90/357,304.68
  6. Step 6: Final answer
    x = 326,023.98

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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.