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Finding the Fourth Proportional to 594,187.66, 820,083.78 and 352,603.44

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Solution

The fourth proportional to 594,187.66, 820,083.78 and 352,603.44 is: 486,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,187.66 : 820,083.78 = 352,603.44 : x
  2. Step 2: Convert to fraction form
    594,187.66/820,083.78 = 352,603.44/x
  3. Step 3: Cross multiply
    594,187.66x = 820,083.78 × 352,603.44
  4. Step 4: Simplify right side
    594,187.66x = 289,164,361,916.20
  5. Step 5: Solve for x
    x = 289,164,361,916.20/594,187.66
  6. Step 6: Final answer
    x = 486,654.94

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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.