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Finding the Fourth Proportional to 253,599.53, 350,331.89 and 202,545.23

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Solution

The fourth proportional to 253,599.53, 350,331.89 and 202,545.23 is: 279,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,599.53 : 350,331.89 = 202,545.23 : x
  2. Step 2: Convert to fraction form
    253,599.53/350,331.89 = 202,545.23/x
  3. Step 3: Cross multiply
    253,599.53x = 350,331.89 × 202,545.23
  4. Step 4: Simplify right side
    253,599.53x = 70,958,050,472.00
  5. Step 5: Solve for x
    x = 70,958,050,472.00/253,599.53
  6. Step 6: Final answer
    x = 279,803.56

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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.