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Finding the Fourth Proportional to 438,228.78, 604,755.72 and 237,024.78

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Solution

The fourth proportional to 438,228.78, 604,755.72 and 237,024.78 is: 327,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,228.78 : 604,755.72 = 237,024.78 : x
  2. Step 2: Convert to fraction form
    438,228.78/604,755.72 = 237,024.78/x
  3. Step 3: Cross multiply
    438,228.78x = 604,755.72 × 237,024.78
  4. Step 4: Simplify right side
    438,228.78x = 143,342,091,486.74
  5. Step 5: Solve for x
    x = 143,342,091,486.74/438,228.78
  6. Step 6: Final answer
    x = 327,094.20

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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.