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Finding the Fourth Proportional to 587,235.52, 810,371.84 and 342,205.12

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Solution

The fourth proportional to 587,235.52, 810,371.84 and 342,205.12 is: 472,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,235.52 : 810,371.84 = 342,205.12 : x
  2. Step 2: Convert to fraction form
    587,235.52/810,371.84 = 342,205.12/x
  3. Step 3: Cross multiply
    587,235.52x = 810,371.84 × 342,205.12
  4. Step 4: Simplify right side
    587,235.52x = 277,313,392,751.82
  5. Step 5: Solve for x
    x = 277,313,392,751.82/587,235.52
  6. Step 6: Final answer
    x = 472,235.39

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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.