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Finding the Fourth Proportional to 425,897.28, 587,735.84 and 234,910.22

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Solution

The fourth proportional to 425,897.28, 587,735.84 and 234,910.22 is: 324,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,897.28 : 587,735.84 = 234,910.22 : x
  2. Step 2: Convert to fraction form
    425,897.28/587,735.84 = 234,910.22/x
  3. Step 3: Cross multiply
    425,897.28x = 587,735.84 × 234,910.22
  4. Step 4: Simplify right side
    425,897.28x = 138,065,151,363.06
  5. Step 5: Solve for x
    x = 138,065,151,363.06/425,897.28
  6. Step 6: Final answer
    x = 324,174.77

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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.