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Finding the Fourth Proportional to 425,999.14, 587,875.53 and 235,020.58

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Solution

The fourth proportional to 425,999.14, 587,875.53 and 235,020.58 is: 324,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,999.14 : 587,875.53 = 235,020.58 : x
  2. Step 2: Convert to fraction form
    425,999.14/587,875.53 = 235,020.58/x
  3. Step 3: Cross multiply
    425,999.14x = 587,875.53 × 235,020.58
  4. Step 4: Simplify right side
    425,999.14x = 138,162,848,028.41
  5. Step 5: Solve for x
    x = 138,162,848,028.41/425,999.14
  6. Step 6: Final answer
    x = 324,326.59

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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.