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Finding the Fourth Proportional to 262,425.15, 362,136.29 and 155,029.77

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Solution

The fourth proportional to 262,425.15, 362,136.29 and 155,029.77 is: 213,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,425.15 : 362,136.29 = 155,029.77 : x
  2. Step 2: Convert to fraction form
    262,425.15/362,136.29 = 155,029.77/x
  3. Step 3: Cross multiply
    262,425.15x = 362,136.29 × 155,029.77
  4. Step 4: Simplify right side
    262,425.15x = 56,141,904,972.20
  5. Step 5: Solve for x
    x = 56,141,904,972.20/262,425.15
  6. Step 6: Final answer
    x = 213,934.93

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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.