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Finding the Fourth Proportional to 474,146.66, 654,333.77 and 270,193.21

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Solution

The fourth proportional to 474,146.66, 654,333.77 and 270,193.21 is: 372,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,146.66 : 654,333.77 = 270,193.21 : x
  2. Step 2: Convert to fraction form
    474,146.66/654,333.77 = 270,193.21/x
  3. Step 3: Cross multiply
    474,146.66x = 654,333.77 × 270,193.21
  4. Step 4: Simplify right side
    474,146.66x = 176,796,540,767.35
  5. Step 5: Solve for x
    x = 176,796,540,767.35/474,146.66
  6. Step 6: Final answer
    x = 372,873.11

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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.