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Finding the Fourth Proportional to 635,503, 877,071.96 and 367,231

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Solution

The fourth proportional to 635,503, 877,071.96 and 367,231 is: 506,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,503 : 877,071.96 = 367,231 : x
  2. Step 2: Convert to fraction form
    635,503/877,071.96 = 367,231/x
  3. Step 3: Cross multiply
    635,503x = 877,071.96 × 367,231
  4. Step 4: Simplify right side
    635,503x = 322,088,012,942.76
  5. Step 5: Solve for x
    x = 322,088,012,942.76/635,503
  6. Step 6: Final answer
    x = 506,823.75

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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.