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Finding the Fourth Proportional to 572,838.53, 859,381.74 and 217,859.27

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Solution

The fourth proportional to 572,838.53, 859,381.74 and 217,859.27 is: 326,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,838.53 : 859,381.74 = 217,859.27 : x
  2. Step 2: Convert to fraction form
    572,838.53/859,381.74 = 217,859.27/x
  3. Step 3: Cross multiply
    572,838.53x = 859,381.74 × 217,859.27
  4. Step 4: Simplify right side
    572,838.53x = 187,224,274,230.82
  5. Step 5: Solve for x
    x = 187,224,274,230.82/572,838.53
  6. Step 6: Final answer
    x = 326,836.04

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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.