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Finding the Fourth Proportional to 565,751.52, 781,105.68 and 351,206.82

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Solution

The fourth proportional to 565,751.52, 781,105.68 and 351,206.82 is: 484,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,751.52 : 781,105.68 = 351,206.82 : x
  2. Step 2: Convert to fraction form
    565,751.52/781,105.68 = 351,206.82/x
  3. Step 3: Cross multiply
    565,751.52x = 781,105.68 × 351,206.82
  4. Step 4: Simplify right side
    565,751.52x = 274,329,641,956.74
  5. Step 5: Solve for x
    x = 274,329,641,956.74/565,751.52
  6. Step 6: Final answer
    x = 484,894.22

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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.