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Finding the Fourth Proportional to 394,701.63, 592,125.49 and 124,897.60

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Solution

The fourth proportional to 394,701.63, 592,125.49 and 124,897.60 is: 187,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,701.63 : 592,125.49 = 124,897.60 : x
  2. Step 2: Convert to fraction form
    394,701.63/592,125.49 = 124,897.60/x
  3. Step 3: Cross multiply
    394,701.63x = 592,125.49 × 124,897.60
  4. Step 4: Simplify right side
    394,701.63x = 73,955,050,165.40
  5. Step 5: Solve for x
    x = 73,955,050,165.40/394,701.63
  6. Step 6: Final answer
    x = 187,369.51

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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.