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Finding the Fourth Proportional to 350,069.11, 482,952.92 and 258,407.89

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Solution

The fourth proportional to 350,069.11, 482,952.92 and 258,407.89 is: 356,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,069.11 : 482,952.92 = 258,407.89 : x
  2. Step 2: Convert to fraction form
    350,069.11/482,952.92 = 258,407.89/x
  3. Step 3: Cross multiply
    350,069.11x = 482,952.92 × 258,407.89
  4. Step 4: Simplify right side
    350,069.11x = 124,798,842,527.12
  5. Step 5: Solve for x
    x = 124,798,842,527.12/350,069.11
  6. Step 6: Final answer
    x = 356,497.73

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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.