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Finding the Fourth Proportional to 503,350, 755,141.80 and 170,926.32

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Solution

The fourth proportional to 503,350, 755,141.80 and 170,926.32 is: 256,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,350 : 755,141.80 = 170,926.32 : x
  2. Step 2: Convert to fraction form
    503,350/755,141.80 = 170,926.32/x
  3. Step 3: Cross multiply
    503,350x = 755,141.80 × 170,926.32
  4. Step 4: Simplify right side
    503,350x = 129,073,608,952.18
  5. Step 5: Solve for x
    x = 129,073,608,952.18/503,350
  6. Step 6: Final answer
    x = 256,429.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.