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Finding the Fourth Proportional to 374,102.80, 561,154.20 and 187,046.80

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Solution

The fourth proportional to 374,102.80, 561,154.20 and 187,046.80 is: 280,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,102.80 : 561,154.20 = 187,046.80 : x
  2. Step 2: Convert to fraction form
    374,102.80/561,154.20 = 187,046.80/x
  3. Step 3: Cross multiply
    374,102.80x = 561,154.20 × 187,046.80
  4. Step 4: Simplify right side
    374,102.80x = 104,962,097,416.56
  5. Step 5: Solve for x
    x = 104,962,097,416.56/374,102.80
  6. Step 6: Final answer
    x = 280,570.20

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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.