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Finding the Fourth Proportional to 283,355.33, 425,032.56 and 194,338.95

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Solution

The fourth proportional to 283,355.33, 425,032.56 and 194,338.95 is: 291,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,355.33 : 425,032.56 = 194,338.95 : x
  2. Step 2: Convert to fraction form
    283,355.33/425,032.56 = 194,338.95/x
  3. Step 3: Cross multiply
    283,355.33x = 425,032.56 × 194,338.95
  4. Step 4: Simplify right side
    283,355.33x = 82,600,381,426.21
  5. Step 5: Solve for x
    x = 82,600,381,426.21/283,355.33
  6. Step 6: Final answer
    x = 291,508.13

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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.