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Finding the Fourth Proportional to 468,519.48, 646,557.24 and 253,659.72

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Solution

The fourth proportional to 468,519.48, 646,557.24 and 253,659.72 is: 350,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,519.48 : 646,557.24 = 253,659.72 : x
  2. Step 2: Convert to fraction form
    468,519.48/646,557.24 = 253,659.72/x
  3. Step 3: Cross multiply
    468,519.48x = 646,557.24 × 253,659.72
  4. Step 4: Simplify right side
    468,519.48x = 164,005,528,462.37
  5. Step 5: Solve for x
    x = 164,005,528,462.37/468,519.48
  6. Step 6: Final answer
    x = 350,050.61

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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.