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Finding the Fourth Proportional to 292,649.88, 438,516.90 and 226,253.64

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Solution

The fourth proportional to 292,649.88, 438,516.90 and 226,253.64 is: 339,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,649.88 : 438,516.90 = 226,253.64 : x
  2. Step 2: Convert to fraction form
    292,649.88/438,516.90 = 226,253.64/x
  3. Step 3: Cross multiply
    292,649.88x = 438,516.90 × 226,253.64
  4. Step 4: Simplify right side
    292,649.88x = 99,216,044,826.52
  5. Step 5: Solve for x
    x = 99,216,044,826.52/292,649.88
  6. Step 6: Final answer
    x = 339,026.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.