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Finding the Fourth Proportional to 614,833.20, 922,249.80 and 171,601.20

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Solution

The fourth proportional to 614,833.20, 922,249.80 and 171,601.20 is: 257,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,833.20 : 922,249.80 = 171,601.20 : x
  2. Step 2: Convert to fraction form
    614,833.20/922,249.80 = 171,601.20/x
  3. Step 3: Cross multiply
    614,833.20x = 922,249.80 × 171,601.20
  4. Step 4: Simplify right side
    614,833.20x = 158,259,172,379.76
  5. Step 5: Solve for x
    x = 158,259,172,379.76/614,833.20
  6. Step 6: Final answer
    x = 257,401.80

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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.