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Finding the Fourth Proportional to 614,233.18, 847,604.55 and 338,578.98

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Solution

The fourth proportional to 614,233.18, 847,604.55 and 338,578.98 is: 467,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,233.18 : 847,604.55 = 338,578.98 : x
  2. Step 2: Convert to fraction form
    614,233.18/847,604.55 = 338,578.98/x
  3. Step 3: Cross multiply
    614,233.18x = 847,604.55 × 338,578.98
  4. Step 4: Simplify right side
    614,233.18x = 286,981,083,982.36
  5. Step 5: Solve for x
    x = 286,981,083,982.36/614,233.18
  6. Step 6: Final answer
    x = 467,218.47

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1.5x scale

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.