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Finding the Fourth Proportional to 360,591.62, 497,582.99 and 199,443.21

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Solution

The fourth proportional to 360,591.62, 497,582.99 and 199,443.21 is: 275,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,591.62 : 497,582.99 = 199,443.21 : x
  2. Step 2: Convert to fraction form
    360,591.62/497,582.99 = 199,443.21/x
  3. Step 3: Cross multiply
    360,591.62x = 497,582.99 × 199,443.21
  4. Step 4: Simplify right side
    360,591.62x = 99,239,548,767.00
  5. Step 5: Solve for x
    x = 99,239,548,767.00/360,591.62
  6. Step 6: Final answer
    x = 275,213.13

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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.