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Finding the Fourth Proportional to 426,018.64, 587,902.44 and 235,040.08

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Solution

The fourth proportional to 426,018.64, 587,902.44 and 235,040.08 is: 324,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,018.64 : 587,902.44 = 235,040.08 : x
  2. Step 2: Convert to fraction form
    426,018.64/587,902.44 = 235,040.08/x
  3. Step 3: Cross multiply
    426,018.64x = 587,902.44 × 235,040.08
  4. Step 4: Simplify right side
    426,018.64x = 138,180,636,529.80
  5. Step 5: Solve for x
    x = 138,180,636,529.80/426,018.64
  6. Step 6: Final answer
    x = 324,353.50

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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.