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Finding the Fourth Proportional to 425,513.58, 587,212.84 and 234,534.30

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Solution

The fourth proportional to 425,513.58, 587,212.84 and 234,534.30 is: 323,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,513.58 : 587,212.84 = 234,534.30 : x
  2. Step 2: Convert to fraction form
    425,513.58/587,212.84 = 234,534.30/x
  3. Step 3: Cross multiply
    425,513.58x = 587,212.84 × 234,534.30
  4. Step 4: Simplify right side
    425,513.58x = 137,721,552,380.41
  5. Step 5: Solve for x
    x = 137,721,552,380.41/425,513.58
  6. Step 6: Final answer
    x = 323,659.59

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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.