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Finding the Fourth Proportional to 374,440.40, 561,660.60 and 232,722.80

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Solution

The fourth proportional to 374,440.40, 561,660.60 and 232,722.80 is: 349,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,440.40 : 561,660.60 = 232,722.80 : x
  2. Step 2: Convert to fraction form
    374,440.40/561,660.60 = 232,722.80/x
  3. Step 3: Cross multiply
    374,440.40x = 561,660.60 × 232,722.80
  4. Step 4: Simplify right side
    374,440.40x = 130,711,227,481.68
  5. Step 5: Solve for x
    x = 130,711,227,481.68/374,440.40
  6. Step 6: Final answer
    x = 349,084.20

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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.