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Finding the Fourth Proportional to 431,307.33, 595,208.16 and 237,721.92

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Solution

The fourth proportional to 431,307.33, 595,208.16 and 237,721.92 is: 328,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,307.33 : 595,208.16 = 237,721.92 : x
  2. Step 2: Convert to fraction form
    431,307.33/595,208.16 = 237,721.92/x
  3. Step 3: Cross multiply
    431,307.33x = 595,208.16 × 237,721.92
  4. Step 4: Simplify right side
    431,307.33x = 141,494,026,594.87
  5. Step 5: Solve for x
    x = 141,494,026,594.87/431,307.33
  6. Step 6: Final answer
    x = 328,058.48

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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.