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Finding the Fourth Proportional to 568,264.50, 852,630.42 and 417,232.80

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Solution

The fourth proportional to 568,264.50, 852,630.42 and 417,232.80 is: 626,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,264.50 : 852,630.42 = 417,232.80 : x
  2. Step 2: Convert to fraction form
    568,264.50/852,630.42 = 417,232.80/x
  3. Step 3: Cross multiply
    568,264.50x = 852,630.42 × 417,232.80
  4. Step 4: Simplify right side
    568,264.50x = 355,745,377,501.78
  5. Step 5: Solve for x
    x = 355,745,377,501.78/568,264.50
  6. Step 6: Final answer
    x = 626,020.77

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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.