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Finding the Fourth Proportional to 594,811.11, 820,841.55 and 322,879.53

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Solution

The fourth proportional to 594,811.11, 820,841.55 and 322,879.53 is: 445,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,811.11 : 820,841.55 = 322,879.53 : x
  2. Step 2: Convert to fraction form
    594,811.11/820,841.55 = 322,879.53/x
  3. Step 3: Cross multiply
    594,811.11x = 820,841.55 × 322,879.53
  4. Step 4: Simplify right side
    594,811.11x = 265,032,933,868.47
  5. Step 5: Solve for x
    x = 265,032,933,868.47/594,811.11
  6. Step 6: Final answer
    x = 445,574.96

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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.