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Finding the Fourth Proportional to 347,708.61, 521,562.91 and 189,850.95

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Solution

The fourth proportional to 347,708.61, 521,562.91 and 189,850.95 is: 284,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,708.61 : 521,562.91 = 189,850.95 : x
  2. Step 2: Convert to fraction form
    347,708.61/521,562.91 = 189,850.95/x
  3. Step 3: Cross multiply
    347,708.61x = 521,562.91 × 189,850.95
  4. Step 4: Simplify right side
    347,708.61x = 99,019,213,948.26
  5. Step 5: Solve for x
    x = 99,019,213,948.26/347,708.61
  6. Step 6: Final answer
    x = 284,776.42

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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.