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Finding the Fourth Proportional to 468,232.71, 646,162.85 and 253,372.78

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Solution

The fourth proportional to 468,232.71, 646,162.85 and 253,372.78 is: 349,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,232.71 : 646,162.85 = 253,372.78 : x
  2. Step 2: Convert to fraction form
    468,232.71/646,162.85 = 253,372.78/x
  3. Step 3: Cross multiply
    468,232.71x = 646,162.85 × 253,372.78
  4. Step 4: Simplify right side
    468,232.71x = 163,720,077,637.22
  5. Step 5: Solve for x
    x = 163,720,077,637.22/468,232.71
  6. Step 6: Final answer
    x = 349,655.36

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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.