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Finding the Fourth Proportional to 292,648.88, 438,515.40 and 226,252.64

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Solution

The fourth proportional to 292,648.88, 438,515.40 and 226,252.64 is: 339,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,648.88 : 438,515.40 = 226,252.64 : x
  2. Step 2: Convert to fraction form
    292,648.88/438,515.40 = 226,252.64/x
  3. Step 3: Cross multiply
    292,648.88x = 438,515.40 × 226,252.64
  4. Step 4: Simplify right side
    292,648.88x = 99,215,266,930.66
  5. Step 5: Solve for x
    x = 99,215,266,930.66/292,648.88
  6. Step 6: Final answer
    x = 339,024.93

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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.