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Finding the Fourth Proportional to 360,285.62, 497,219.96 and 199,137.23

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Solution

The fourth proportional to 360,285.62, 497,219.96 and 199,137.23 is: 274,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,285.62 : 497,219.96 = 199,137.23 : x
  2. Step 2: Convert to fraction form
    360,285.62/497,219.96 = 199,137.23/x
  3. Step 3: Cross multiply
    360,285.62x = 497,219.96 × 199,137.23
  4. Step 4: Simplify right side
    360,285.62x = 99,015,002,053.32
  5. Step 5: Solve for x
    x = 99,015,002,053.32/360,285.62
  6. Step 6: Final answer
    x = 274,823.63

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Half scale
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Double scale
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Similar ratio
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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.