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Finding the Fourth Proportional to 292,463.75, 403,602.65 and 171,607.06

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Solution

The fourth proportional to 292,463.75, 403,602.65 and 171,607.06 is: 236,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,463.75 : 403,602.65 = 171,607.06 : x
  2. Step 2: Convert to fraction form
    292,463.75/403,602.65 = 171,607.06/x
  3. Step 3: Cross multiply
    292,463.75x = 403,602.65 × 171,607.06
  4. Step 4: Simplify right side
    292,463.75x = 69,261,062,194.44
  5. Step 5: Solve for x
    x = 69,261,062,194.44/292,463.75
  6. Step 6: Final answer
    x = 236,819.30

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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.