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Finding the Fourth Proportional to 426,076.74, 587,998.22 and 235,102.43

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Solution

The fourth proportional to 426,076.74, 587,998.22 and 235,102.43 is: 324,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,076.74 : 587,998.22 = 235,102.43 : x
  2. Step 2: Convert to fraction form
    426,076.74/587,998.22 = 235,102.43/x
  3. Step 3: Cross multiply
    426,076.74x = 587,998.22 × 235,102.43
  4. Step 4: Simplify right side
    426,076.74x = 138,239,806,242.17
  5. Step 5: Solve for x
    x = 138,239,806,242.17/426,076.74
  6. Step 6: Final answer
    x = 324,448.14

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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.