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Finding the Fourth Proportional to 594,813.83, 820,818.90 and 322,871.31

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Solution

The fourth proportional to 594,813.83, 820,818.90 and 322,871.31 is: 445,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,813.83 : 820,818.90 = 322,871.31 : x
  2. Step 2: Convert to fraction form
    594,813.83/820,818.90 = 322,871.31/x
  3. Step 3: Cross multiply
    594,813.83x = 820,818.90 × 322,871.31
  4. Step 4: Simplify right side
    594,813.83x = 265,018,873,515.76
  5. Step 5: Solve for x
    x = 265,018,873,515.76/594,813.83
  6. Step 6: Final answer
    x = 445,549.28

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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.