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Finding the Fourth Proportional to 548,726.80, 823,090.20 and 233,142.70

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Solution

The fourth proportional to 548,726.80, 823,090.20 and 233,142.70 is: 349,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,726.80 : 823,090.20 = 233,142.70 : x
  2. Step 2: Convert to fraction form
    548,726.80/823,090.20 = 233,142.70/x
  3. Step 3: Cross multiply
    548,726.80x = 823,090.20 × 233,142.70
  4. Step 4: Simplify right side
    548,726.80x = 191,897,471,571.54
  5. Step 5: Solve for x
    x = 191,897,471,571.54/548,726.80
  6. Step 6: Final answer
    x = 349,714.05

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Double scale
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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.