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Finding the Fourth Proportional to 577,331.04, 865,997.64 and 222,512.16

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Solution

The fourth proportional to 577,331.04, 865,997.64 and 222,512.16 is: 333,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,331.04 : 865,997.64 = 222,512.16 : x
  2. Step 2: Convert to fraction form
    577,331.04/865,997.64 = 222,512.16/x
  3. Step 3: Cross multiply
    577,331.04x = 865,997.64 × 222,512.16
  4. Step 4: Simplify right side
    577,331.04x = 192,695,005,431.30
  5. Step 5: Solve for x
    x = 192,695,005,431.30/577,331.04
  6. Step 6: Final answer
    x = 333,768.66

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Similar ratio
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1.5x scale

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.