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Finding the Fourth Proportional to 624,503.00, 861,816.77 and 369,837.78

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Solution

The fourth proportional to 624,503.00, 861,816.77 and 369,837.78 is: 510,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,503.00 : 861,816.77 = 369,837.78 : x
  2. Step 2: Convert to fraction form
    624,503.00/861,816.77 = 369,837.78/x
  3. Step 3: Cross multiply
    624,503.00x = 861,816.77 × 369,837.78
  4. Step 4: Simplify right side
    624,503.00x = 318,732,399,134.38
  5. Step 5: Solve for x
    x = 318,732,399,134.38/624,503.00
  6. Step 6: Final answer
    x = 510,377.70

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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.