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Finding the Fourth Proportional to 262,873.91, 362,887.09 and 153,963.13

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Solution

The fourth proportional to 262,873.91, 362,887.09 and 153,963.13 is: 212,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,873.91 : 362,887.09 = 153,963.13 : x
  2. Step 2: Convert to fraction form
    262,873.91/362,887.09 = 153,963.13/x
  3. Step 3: Cross multiply
    262,873.91x = 362,887.09 × 153,963.13
  4. Step 4: Simplify right side
    262,873.91x = 55,871,231,601.28
  5. Step 5: Solve for x
    x = 55,871,231,601.28/262,873.91
  6. Step 6: Final answer
    x = 212,540.04

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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.