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Finding the Fourth Proportional to 439,052.84, 605,810.40 and 277,794.80

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Solution

The fourth proportional to 439,052.84, 605,810.40 and 277,794.80 is: 383,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,052.84 : 605,810.40 = 277,794.80 : x
  2. Step 2: Convert to fraction form
    439,052.84/605,810.40 = 277,794.80/x
  3. Step 3: Cross multiply
    439,052.84x = 605,810.40 × 277,794.80
  4. Step 4: Simplify right side
    439,052.84x = 168,290,978,905.92
  5. Step 5: Solve for x
    x = 168,290,978,905.92/439,052.84
  6. Step 6: Final answer
    x = 383,304.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.