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Finding the Fourth Proportional to 277,689.09, 416,535.01 and 67,327.03

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Solution

The fourth proportional to 277,689.09, 416,535.01 and 67,327.03 is: 100,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,689.09 : 416,535.01 = 67,327.03 : x
  2. Step 2: Convert to fraction form
    277,689.09/416,535.01 = 67,327.03/x
  3. Step 3: Cross multiply
    277,689.09x = 416,535.01 × 67,327.03
  4. Step 4: Simplify right side
    277,689.09x = 28,044,065,466.67
  5. Step 5: Solve for x
    x = 28,044,065,466.67/277,689.09
  6. Step 6: Final answer
    x = 100,990.88

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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.