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Finding the Fourth Proportional to 500,603.16, 690,833.06 and 271,162.92

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Solution

The fourth proportional to 500,603.16, 690,833.06 and 271,162.92 is: 374,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,603.16 : 690,833.06 = 271,162.92 : x
  2. Step 2: Convert to fraction form
    500,603.16/690,833.06 = 271,162.92/x
  3. Step 3: Cross multiply
    500,603.16x = 690,833.06 × 271,162.92
  4. Step 4: Simplify right side
    500,603.16x = 187,328,309,782.14
  5. Step 5: Solve for x
    x = 187,328,309,782.14/500,603.16
  6. Step 6: Final answer
    x = 374,205.21

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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.