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Finding the Fourth Proportional to 360,605.16, 497,601.72 and 199,456.74

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Solution

The fourth proportional to 360,605.16, 497,601.72 and 199,456.74 is: 275,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,605.16 : 497,601.72 = 199,456.74 : x
  2. Step 2: Convert to fraction form
    360,605.16/497,601.72 = 199,456.74/x
  3. Step 3: Cross multiply
    360,605.16x = 497,601.72 × 199,456.74
  4. Step 4: Simplify right side
    360,605.16x = 99,250,016,889.59
  5. Step 5: Solve for x
    x = 99,250,016,889.59/360,605.16
  6. Step 6: Final answer
    x = 275,231.83

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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.