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Finding the Fourth Proportional to 303,932.29, 455,490.88 and 236,545.69

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Solution

The fourth proportional to 303,932.29, 455,490.88 and 236,545.69 is: 354,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,932.29 : 455,490.88 = 236,545.69 : x
  2. Step 2: Convert to fraction form
    303,932.29/455,490.88 = 236,545.69/x
  3. Step 3: Cross multiply
    303,932.29x = 455,490.88 × 236,545.69
  4. Step 4: Simplify right side
    303,932.29x = 107,744,404,498.31
  5. Step 5: Solve for x
    x = 107,744,404,498.31/303,932.29
  6. Step 6: Final answer
    x = 354,501.34

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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.