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Finding the Fourth Proportional to 426,086.84, 587,999.42 and 235,100.24

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Solution

The fourth proportional to 426,086.84, 587,999.42 and 235,100.24 is: 324,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,086.84 : 587,999.42 = 235,100.24 : x
  2. Step 2: Convert to fraction form
    426,086.84/587,999.42 = 235,100.24/x
  3. Step 3: Cross multiply
    426,086.84x = 587,999.42 × 235,100.24
  4. Step 4: Simplify right side
    426,086.84x = 138,238,804,761.86
  5. Step 5: Solve for x
    x = 138,238,804,761.86/426,086.84
  6. Step 6: Final answer
    x = 324,438.10

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1.5x scale

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.