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Finding the Fourth Proportional to 362,768.63, 500,617.06 and 201,637.76

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Solution

The fourth proportional to 362,768.63, 500,617.06 and 201,637.76 is: 278,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,768.63 : 500,617.06 = 201,637.76 : x
  2. Step 2: Convert to fraction form
    362,768.63/500,617.06 = 201,637.76/x
  3. Step 3: Cross multiply
    362,768.63x = 500,617.06 × 201,637.76
  4. Step 4: Simplify right side
    362,768.63x = 100,943,299,589.01
  5. Step 5: Solve for x
    x = 100,943,299,589.01/362,768.63
  6. Step 6: Final answer
    x = 278,258.08

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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.