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Finding the Fourth Proportional to 636,203.87, 953,016.83 and 294,161.19

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Solution

The fourth proportional to 636,203.87, 953,016.83 and 294,161.19 is: 440,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,203.87 : 953,016.83 = 294,161.19 : x
  2. Step 2: Convert to fraction form
    636,203.87/953,016.83 = 294,161.19/x
  3. Step 3: Cross multiply
    636,203.87x = 953,016.83 × 294,161.19
  4. Step 4: Simplify right side
    636,203.87x = 280,340,563,332.02
  5. Step 5: Solve for x
    x = 280,340,563,332.02/636,203.87
  6. Step 6: Final answer
    x = 440,645.80

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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.