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Finding the Fourth Proportional to 351,611.28, 527,416.92 and 233,513.28

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Solution

The fourth proportional to 351,611.28, 527,416.92 and 233,513.28 is: 350,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,611.28 : 527,416.92 = 233,513.28 : x
  2. Step 2: Convert to fraction form
    351,611.28/527,416.92 = 233,513.28/x
  3. Step 3: Cross multiply
    351,611.28x = 527,416.92 × 233,513.28
  4. Step 4: Simplify right side
    351,611.28x = 123,158,854,916.70
  5. Step 5: Solve for x
    x = 123,158,854,916.70/351,611.28
  6. Step 6: Final answer
    x = 350,269.92

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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.