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Finding the Fourth Proportional to 463,625.64, 639,577.62 and 302,407.56

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Solution

The fourth proportional to 463,625.64, 639,577.62 and 302,407.56 is: 417,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,625.64 : 639,577.62 = 302,407.56 : x
  2. Step 2: Convert to fraction form
    463,625.64/639,577.62 = 302,407.56/x
  3. Step 3: Cross multiply
    463,625.64x = 639,577.62 × 302,407.56
  4. Step 4: Simplify right side
    463,625.64x = 193,413,107,494.81
  5. Step 5: Solve for x
    x = 193,413,107,494.81/463,625.64
  6. Step 6: Final answer
    x = 417,175.17

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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.