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Finding the Fourth Proportional to 635,503.50, 877,072.65 and 367,231.50

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Solution

The fourth proportional to 635,503.50, 877,072.65 and 367,231.50 is: 506,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,503.50 : 877,072.65 = 367,231.50 : x
  2. Step 2: Convert to fraction form
    635,503.50/877,072.65 = 367,231.50/x
  3. Step 3: Cross multiply
    635,503.50x = 877,072.65 × 367,231.50
  4. Step 4: Simplify right side
    635,503.50x = 322,088,704,868.48
  5. Step 5: Solve for x
    x = 322,088,704,868.48/635,503.50
  6. Step 6: Final answer
    x = 506,824.44

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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.