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Finding the Fourth Proportional to 635,163.64, 876,493.60 and 377,051.64

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Solution

The fourth proportional to 635,163.64, 876,493.60 and 377,051.64 is: 520,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,163.64 : 876,493.60 = 377,051.64 : x
  2. Step 2: Convert to fraction form
    635,163.64/876,493.60 = 377,051.64/x
  3. Step 3: Cross multiply
    635,163.64x = 876,493.60 × 377,051.64
  4. Step 4: Simplify right side
    635,163.64x = 330,483,349,329.50
  5. Step 5: Solve for x
    x = 330,483,349,329.50/635,163.64
  6. Step 6: Final answer
    x = 520,312.13

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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.