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Finding the Fourth Proportional to 433,894.81, 598,703.56 and 272,635.66

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Solution

The fourth proportional to 433,894.81, 598,703.56 and 272,635.66 is: 376,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,894.81 : 598,703.56 = 272,635.66 : x
  2. Step 2: Convert to fraction form
    433,894.81/598,703.56 = 272,635.66/x
  3. Step 3: Cross multiply
    433,894.81x = 598,703.56 × 272,635.66
  4. Step 4: Simplify right side
    433,894.81x = 163,227,940,224.95
  5. Step 5: Solve for x
    x = 163,227,940,224.95/433,894.81
  6. Step 6: Final answer
    x = 376,192.42

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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.