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Finding the Fourth Proportional to 587,034.90, 881,208.45 and 454,502.70

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Solution

The fourth proportional to 587,034.90, 881,208.45 and 454,502.70 is: 682,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,034.90 : 881,208.45 = 454,502.70 : x
  2. Step 2: Convert to fraction form
    587,034.90/881,208.45 = 454,502.70/x
  3. Step 3: Cross multiply
    587,034.90x = 881,208.45 × 454,502.70
  4. Step 4: Simplify right side
    587,034.90x = 400,511,619,787.82
  5. Step 5: Solve for x
    x = 400,511,619,787.82/587,034.90
  6. Step 6: Final answer
    x = 682,262.03

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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.