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Finding the Fourth Proportional to 425,890.98, 587,736.62 and 232,298.76

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Solution

The fourth proportional to 425,890.98, 587,736.62 and 232,298.76 is: 320,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,890.98 : 587,736.62 = 232,298.76 : x
  2. Step 2: Convert to fraction form
    425,890.98/587,736.62 = 232,298.76/x
  3. Step 3: Cross multiply
    425,890.98x = 587,736.62 × 232,298.76
  4. Step 4: Simplify right side
    425,890.98x = 136,530,483,932.41
  5. Step 5: Solve for x
    x = 136,530,483,932.41/425,890.98
  6. Step 6: Final answer
    x = 320,576.13

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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.