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Finding the Fourth Proportional to 354,117.48, 530,789.64 and 174,326.64

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Solution

The fourth proportional to 354,117.48, 530,789.64 and 174,326.64 is: 261,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,117.48 : 530,789.64 = 174,326.64 : x
  2. Step 2: Convert to fraction form
    354,117.48/530,789.64 = 174,326.64/x
  3. Step 3: Cross multiply
    354,117.48x = 530,789.64 × 174,326.64
  4. Step 4: Simplify right side
    354,117.48x = 92,530,772,497.55
  5. Step 5: Solve for x
    x = 92,530,772,497.55/354,117.48
  6. Step 6: Final answer
    x = 261,299.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.