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Finding the Fourth Proportional to 577,305.16, 865,345.40 and 222,165.52

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Solution

The fourth proportional to 577,305.16, 865,345.40 and 222,165.52 is: 333,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,305.16 : 865,345.40 = 222,165.52 : x
  2. Step 2: Convert to fraction form
    577,305.16/865,345.40 = 222,165.52/x
  3. Step 3: Cross multiply
    577,305.16x = 865,345.40 × 222,165.52
  4. Step 4: Simplify right side
    577,305.16x = 192,249,910,770.61
  5. Step 5: Solve for x
    x = 192,249,910,770.61/577,305.16
  6. Step 6: Final answer
    x = 333,012.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.