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Finding the Fourth Proportional to 545,522.60, 752,767.25 and 303,827.66

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Solution

The fourth proportional to 545,522.60, 752,767.25 and 303,827.66 is: 419,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,522.60 : 752,767.25 = 303,827.66 : x
  2. Step 2: Convert to fraction form
    545,522.60/752,767.25 = 303,827.66/x
  3. Step 3: Cross multiply
    545,522.60x = 752,767.25 × 303,827.66
  4. Step 4: Simplify right side
    545,522.60x = 228,711,512,092.14
  5. Step 5: Solve for x
    x = 228,711,512,092.14/545,522.60
  6. Step 6: Final answer
    x = 419,252.13

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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.