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Finding the Fourth Proportional to 333,699.82, 500,545.50 and 80,982.38

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Solution

The fourth proportional to 333,699.82, 500,545.50 and 80,982.38 is: 121,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,699.82 : 500,545.50 = 80,982.38 : x
  2. Step 2: Convert to fraction form
    333,699.82/500,545.50 = 80,982.38/x
  3. Step 3: Cross multiply
    333,699.82x = 500,545.50 × 80,982.38
  4. Step 4: Simplify right side
    333,699.82x = 40,535,365,888.29
  5. Step 5: Solve for x
    x = 40,535,365,888.29/333,699.82
  6. Step 6: Final answer
    x = 121,472.54

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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.