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Finding the Fourth Proportional to 571,611.27, 856,669.45 and 234,256.95

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Solution

The fourth proportional to 571,611.27, 856,669.45 and 234,256.95 is: 351,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,611.27 : 856,669.45 = 234,256.95 : x
  2. Step 2: Convert to fraction form
    571,611.27/856,669.45 = 234,256.95/x
  3. Step 3: Cross multiply
    571,611.27x = 856,669.45 × 234,256.95
  4. Step 4: Simplify right side
    571,611.27x = 200,680,772,515.18
  5. Step 5: Solve for x
    x = 200,680,772,515.18/571,611.27
  6. Step 6: Final answer
    x = 351,079.10

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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.