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Finding the Fourth Proportional to 374,449.20, 561,673.80 and 187,825.20

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Solution

The fourth proportional to 374,449.20, 561,673.80 and 187,825.20 is: 281,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,449.20 : 561,673.80 = 187,825.20 : x
  2. Step 2: Convert to fraction form
    374,449.20/561,673.80 = 187,825.20/x
  3. Step 3: Cross multiply
    374,449.20x = 561,673.80 × 187,825.20
  4. Step 4: Simplify right side
    374,449.20x = 105,496,493,819.76
  5. Step 5: Solve for x
    x = 105,496,493,819.76/374,449.20
  6. Step 6: Final answer
    x = 281,737.80

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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.