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Finding the Fourth Proportional to 468,462.44, 646,472.80 and 253,597.79

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Solution

The fourth proportional to 468,462.44, 646,472.80 and 253,597.79 is: 349,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,462.44 : 646,472.80 = 253,597.79 : x
  2. Step 2: Convert to fraction form
    468,462.44/646,472.80 = 253,597.79/x
  3. Step 3: Cross multiply
    468,462.44x = 646,472.80 × 253,597.79
  4. Step 4: Simplify right side
    468,462.44x = 163,944,073,375.11
  5. Step 5: Solve for x
    x = 163,944,073,375.11/468,462.44
  6. Step 6: Final answer
    x = 349,962.04

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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.