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Finding the Fourth Proportional to 303,931.86, 455,490.24 and 236,545.26

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Solution

The fourth proportional to 303,931.86, 455,490.24 and 236,545.26 is: 354,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,931.86 : 455,490.24 = 236,545.26 : x
  2. Step 2: Convert to fraction form
    303,931.86/455,490.24 = 236,545.26/x
  3. Step 3: Cross multiply
    303,931.86x = 455,490.24 × 236,545.26
  4. Step 4: Simplify right side
    303,931.86x = 107,744,057,248.26
  5. Step 5: Solve for x
    x = 107,744,057,248.26/303,931.86
  6. Step 6: Final answer
    x = 354,500.70

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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.