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Finding the Fourth Proportional to 394,677.95, 592,114.17 and 114,223.55

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Solution

The fourth proportional to 394,677.95, 592,114.17 and 114,223.55 is: 171,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,677.95 : 592,114.17 = 114,223.55 : x
  2. Step 2: Convert to fraction form
    394,677.95/592,114.17 = 114,223.55/x
  3. Step 3: Cross multiply
    394,677.95x = 592,114.17 × 114,223.55
  4. Step 4: Simplify right side
    394,677.95x = 67,633,382,502.70
  5. Step 5: Solve for x
    x = 67,633,382,502.70/394,677.95
  6. Step 6: Final answer
    x = 171,363.47

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1.5x scale

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.