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Finding the Fourth Proportional to 374,283.84, 561,445.20 and 187,232.16

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Solution

The fourth proportional to 374,283.84, 561,445.20 and 187,232.16 is: 280,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,283.84 : 561,445.20 = 187,232.16 : x
  2. Step 2: Convert to fraction form
    374,283.84/561,445.20 = 187,232.16/x
  3. Step 3: Cross multiply
    374,283.84x = 561,445.20 × 187,232.16
  4. Step 4: Simplify right side
    374,283.84x = 105,120,597,517.63
  5. Step 5: Solve for x
    x = 105,120,597,517.63/374,283.84
  6. Step 6: Final answer
    x = 280,857.96

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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.