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Finding the Fourth Proportional to 425,494.22, 587,208.29 and 234,507.15

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Solution

The fourth proportional to 425,494.22, 587,208.29 and 234,507.15 is: 323,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,494.22 : 587,208.29 = 234,507.15 : x
  2. Step 2: Convert to fraction form
    425,494.22/587,208.29 = 234,507.15/x
  3. Step 3: Cross multiply
    425,494.22x = 587,208.29 × 234,507.15
  4. Step 4: Simplify right side
    425,494.22x = 137,704,541,371.74
  5. Step 5: Solve for x
    x = 137,704,541,371.74/425,494.22
  6. Step 6: Final answer
    x = 323,634.34

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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.