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Finding the Fourth Proportional to 303,931.67, 455,489.96 and 236,545.07

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Solution

The fourth proportional to 303,931.67, 455,489.96 and 236,545.07 is: 354,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,931.67 : 455,489.96 = 236,545.07 : x
  2. Step 2: Convert to fraction form
    303,931.67/455,489.96 = 236,545.07/x
  3. Step 3: Cross multiply
    303,931.67x = 455,489.96 × 236,545.07
  4. Step 4: Simplify right side
    303,931.67x = 107,743,901,012.32
  5. Step 5: Solve for x
    x = 107,743,901,012.32/303,931.67
  6. Step 6: Final answer
    x = 354,500.41

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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.