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Finding the Fourth Proportional to 474,608.16, 711,649.80 and 360,796.68

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Solution

The fourth proportional to 474,608.16, 711,649.80 and 360,796.68 is: 540,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,608.16 : 711,649.80 = 360,796.68 : x
  2. Step 2: Convert to fraction form
    474,608.16/711,649.80 = 360,796.68/x
  3. Step 3: Cross multiply
    474,608.16x = 711,649.80 × 360,796.68
  4. Step 4: Simplify right side
    474,608.16x = 256,760,885,162.66
  5. Step 5: Solve for x
    x = 256,760,885,162.66/474,608.16
  6. Step 6: Final answer
    x = 540,995.51

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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.