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Finding the Fourth Proportional to 468,471.76, 646,488.07 and 253,610.26

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Solution

The fourth proportional to 468,471.76, 646,488.07 and 253,610.26 is: 349,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,471.76 : 646,488.07 = 253,610.26 : x
  2. Step 2: Convert to fraction form
    468,471.76/646,488.07 = 253,610.26/x
  3. Step 3: Cross multiply
    468,471.76x = 646,488.07 × 253,610.26
  4. Step 4: Simplify right side
    468,471.76x = 163,956,007,519.60
  5. Step 5: Solve for x
    x = 163,956,007,519.60/468,471.76
  6. Step 6: Final answer
    x = 349,980.56

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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.