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Finding the Fourth Proportional to 454,594.86, 681,744.63 and 214,671.63

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Solution

The fourth proportional to 454,594.86, 681,744.63 and 214,671.63 is: 321,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,594.86 : 681,744.63 = 214,671.63 : x
  2. Step 2: Convert to fraction form
    454,594.86/681,744.63 = 214,671.63/x
  3. Step 3: Cross multiply
    454,594.86x = 681,744.63 × 214,671.63
  4. Step 4: Simplify right side
    454,594.86x = 146,351,230,965.85
  5. Step 5: Solve for x
    x = 146,351,230,965.85/454,594.86
  6. Step 6: Final answer
    x = 321,937.72

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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.