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Finding the Fourth Proportional to 2,677,787.74, 4,015,828.67 and 880,256.90

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Solution

The fourth proportional to 2,677,787.74, 4,015,828.67 and 880,256.90 is: 1,320,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677,787.74 : 4,015,828.67 = 880,256.90 : x
  2. Step 2: Convert to fraction form
    2,677,787.74/4,015,828.67 = 880,256.90/x
  3. Step 3: Cross multiply
    2,677,787.74x = 4,015,828.67 × 880,256.90
  4. Step 4: Simplify right side
    2,677,787.74x = 3,534,960,871,504.90
  5. Step 5: Solve for x
    x = 3,534,960,871,504.90/2,677,787.74
  6. Step 6: Final answer
    x = 1,320,104.96

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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.