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Finding the Fourth Proportional to 360,937.77, 498,088.10 and 199,789.37

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Solution

The fourth proportional to 360,937.77, 498,088.10 and 199,789.37 is: 275,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,937.77 : 498,088.10 = 199,789.37 : x
  2. Step 2: Convert to fraction form
    360,937.77/498,088.10 = 199,789.37/x
  3. Step 3: Cross multiply
    360,937.77x = 498,088.10 × 199,789.37
  4. Step 4: Simplify right side
    360,937.77x = 99,512,704,214.11
  5. Step 5: Solve for x
    x = 99,512,704,214.11/360,937.77
  6. Step 6: Final answer
    x = 275,705.99

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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.