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Finding the Fourth Proportional to 307,799.58, 424,770.62 and 193,083.10

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Solution

The fourth proportional to 307,799.58, 424,770.62 and 193,083.10 is: 266,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,799.58 : 424,770.62 = 193,083.10 : x
  2. Step 2: Convert to fraction form
    307,799.58/424,770.62 = 193,083.10/x
  3. Step 3: Cross multiply
    307,799.58x = 424,770.62 × 193,083.10
  4. Step 4: Simplify right side
    307,799.58x = 82,016,028,098.52
  5. Step 5: Solve for x
    x = 82,016,028,098.52/307,799.58
  6. Step 6: Final answer
    x = 266,459.19

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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.