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Finding the Fourth Proportional to 360,903.41, 498,034.01 and 199,758.77

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Solution

The fourth proportional to 360,903.41, 498,034.01 and 199,758.77 is: 275,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,903.41 : 498,034.01 = 199,758.77 : x
  2. Step 2: Convert to fraction form
    360,903.41/498,034.01 = 199,758.77/x
  3. Step 3: Cross multiply
    360,903.41x = 498,034.01 × 199,758.77
  4. Step 4: Simplify right side
    360,903.41x = 99,486,660,256.97
  5. Step 5: Solve for x
    x = 99,486,660,256.97/360,903.41
  6. Step 6: Final answer
    x = 275,660.07

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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.