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Finding the Fourth Proportional to 550,881, 826,671.06 and 235,340.28

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Solution

The fourth proportional to 550,881, 826,671.06 and 235,340.28 is: 353,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,881 : 826,671.06 = 235,340.28 : x
  2. Step 2: Convert to fraction form
    550,881/826,671.06 = 235,340.28/x
  3. Step 3: Cross multiply
    550,881x = 826,671.06 × 235,340.28
  4. Step 4: Simplify right side
    550,881x = 194,548,998,728.30
  5. Step 5: Solve for x
    x = 194,548,998,728.30/550,881
  6. Step 6: Final answer
    x = 353,159.75

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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.