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Finding the Fourth Proportional to 361,555.52, 498,970.61 and 200,417.36

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Solution

The fourth proportional to 361,555.52, 498,970.61 and 200,417.36 is: 276,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,555.52 : 498,970.61 = 200,417.36 : x
  2. Step 2: Convert to fraction form
    361,555.52/498,970.61 = 200,417.36/x
  3. Step 3: Cross multiply
    361,555.52x = 498,970.61 × 200,417.36
  4. Step 4: Simplify right side
    361,555.52x = 100,002,368,876.85
  5. Step 5: Solve for x
    x = 100,002,368,876.85/361,555.52
  6. Step 6: Final answer
    x = 276,589.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.