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Finding the Fourth Proportional to 394,674.48, 592,108.86 and 114,220.08

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Solution

The fourth proportional to 394,674.48, 592,108.86 and 114,220.08 is: 171,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,674.48 : 592,108.86 = 114,220.08 : x
  2. Step 2: Convert to fraction form
    394,674.48/592,108.86 = 114,220.08/x
  3. Step 3: Cross multiply
    394,674.48x = 592,108.86 × 114,220.08
  4. Step 4: Simplify right side
    394,674.48x = 67,630,721,357.91
  5. Step 5: Solve for x
    x = 67,630,721,357.91/394,674.48
  6. Step 6: Final answer
    x = 171,358.23

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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.