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Finding the Fourth Proportional to 594,910.47, 820,701.82 and 353,055.61

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Solution

The fourth proportional to 594,910.47, 820,701.82 and 353,055.61 is: 487,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,910.47 : 820,701.82 = 353,055.61 : x
  2. Step 2: Convert to fraction form
    594,910.47/820,701.82 = 353,055.61/x
  3. Step 3: Cross multiply
    594,910.47x = 820,701.82 × 353,055.61
  4. Step 4: Simplify right side
    594,910.47x = 289,753,383,155.41
  5. Step 5: Solve for x
    x = 289,753,383,155.41/594,910.47
  6. Step 6: Final answer
    x = 487,053.76

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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.