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Finding the Fourth Proportional to 436,877.82, 602,726.82 and 255,531.78

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Solution

The fourth proportional to 436,877.82, 602,726.82 and 255,531.78 is: 352,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,877.82 : 602,726.82 = 255,531.78 : x
  2. Step 2: Convert to fraction form
    436,877.82/602,726.82 = 255,531.78/x
  3. Step 3: Cross multiply
    436,877.82x = 602,726.82 × 255,531.78
  4. Step 4: Simplify right side
    436,877.82x = 154,015,857,168.34
  5. Step 5: Solve for x
    x = 154,015,857,168.34/436,877.82
  6. Step 6: Final answer
    x = 352,537.60

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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.