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Finding the Fourth Proportional to 423,848.16, 584,650.98 and 251,649.27

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Solution

The fourth proportional to 423,848.16, 584,650.98 and 251,649.27 is: 347,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,848.16 : 584,650.98 = 251,649.27 : x
  2. Step 2: Convert to fraction form
    423,848.16/584,650.98 = 251,649.27/x
  3. Step 3: Cross multiply
    423,848.16x = 584,650.98 × 251,649.27
  4. Step 4: Simplify right side
    423,848.16x = 147,126,992,321.79
  5. Step 5: Solve for x
    x = 147,126,992,321.79/423,848.16
  6. Step 6: Final answer
    x = 347,121.93

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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.