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Finding the Fourth Proportional to 283,904.31, 425,856.47 and 73,542.25

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Solution

The fourth proportional to 283,904.31, 425,856.47 and 73,542.25 is: 110,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,904.31 : 425,856.47 = 73,542.25 : x
  2. Step 2: Convert to fraction form
    283,904.31/425,856.47 = 73,542.25/x
  3. Step 3: Cross multiply
    283,904.31x = 425,856.47 × 73,542.25
  4. Step 4: Simplify right side
    283,904.31x = 31,318,442,980.86
  5. Step 5: Solve for x
    x = 31,318,442,980.86/283,904.31
  6. Step 6: Final answer
    x = 110,313.38

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1.5x scale

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.