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Finding the Fourth Proportional to 635,253.12, 876,478.11 and 363,264.90

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Solution

The fourth proportional to 635,253.12, 876,478.11 and 363,264.90 is: 501,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,253.12 : 876,478.11 = 363,264.90 : x
  2. Step 2: Convert to fraction form
    635,253.12/876,478.11 = 363,264.90/x
  3. Step 3: Cross multiply
    635,253.12x = 876,478.11 × 363,264.90
  4. Step 4: Simplify right side
    635,253.12x = 318,393,732,981.34
  5. Step 5: Solve for x
    x = 318,393,732,981.34/635,253.12
  6. Step 6: Final answer
    x = 501,207.67

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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.