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Finding the Fourth Proportional to 403,369.68, 556,587.27 and 233,571

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Solution

The fourth proportional to 403,369.68, 556,587.27 and 233,571 is: 322,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,369.68 : 556,587.27 = 233,571 : x
  2. Step 2: Convert to fraction form
    403,369.68/556,587.27 = 233,571/x
  3. Step 3: Cross multiply
    403,369.68x = 556,587.27 × 233,571
  4. Step 4: Simplify right side
    403,369.68x = 130,002,645,241.17
  5. Step 5: Solve for x
    x = 130,002,645,241.17/403,369.68
  6. Step 6: Final answer
    x = 322,291.56

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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.