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Finding the Fourth Proportional to 292,377.54, 403,476.60 and 163,317.78

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Solution

The fourth proportional to 292,377.54, 403,476.60 and 163,317.78 is: 225,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,377.54 : 403,476.60 = 163,317.78 : x
  2. Step 2: Convert to fraction form
    292,377.54/403,476.60 = 163,317.78/x
  3. Step 3: Cross multiply
    292,377.54x = 403,476.60 × 163,317.78
  4. Step 4: Simplify right side
    292,377.54x = 65,894,902,593.95
  5. Step 5: Solve for x
    x = 65,894,902,593.95/292,377.54
  6. Step 6: Final answer
    x = 225,376.08

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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.