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Finding the Fourth Proportional to 360,987.93, 498,167.28 and 199,845.63

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Solution

The fourth proportional to 360,987.93, 498,167.28 and 199,845.63 is: 275,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,987.93 : 498,167.28 = 199,845.63 : x
  2. Step 2: Convert to fraction form
    360,987.93/498,167.28 = 199,845.63/x
  3. Step 3: Cross multiply
    360,987.93x = 498,167.28 × 199,845.63
  4. Step 4: Simplify right side
    360,987.93x = 99,556,553,916.99
  5. Step 5: Solve for x
    x = 99,556,553,916.99/360,987.93
  6. Step 6: Final answer
    x = 275,789.15

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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.