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Finding the Fourth Proportional to 594,795.72, 820,790.10 and 322,857.48

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Solution

The fourth proportional to 594,795.72, 820,790.10 and 322,857.48 is: 445,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,795.72 : 820,790.10 = 322,857.48 : x
  2. Step 2: Convert to fraction form
    594,795.72/820,790.10 = 322,857.48/x
  3. Step 3: Cross multiply
    594,795.72x = 820,790.10 × 322,857.48
  4. Step 4: Simplify right side
    594,795.72x = 264,998,223,294.95
  5. Step 5: Solve for x
    x = 264,998,223,294.95/594,795.72
  6. Step 6: Final answer
    x = 445,528.13

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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.