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Finding the Fourth Proportional to 292,388.58, 403,499.55 and 171,531.93

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Solution

The fourth proportional to 292,388.58, 403,499.55 and 171,531.93 is: 236,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,388.58 : 403,499.55 = 171,531.93 : x
  2. Step 2: Convert to fraction form
    292,388.58/403,499.55 = 171,531.93/x
  3. Step 3: Cross multiply
    292,388.58x = 403,499.55 × 171,531.93
  4. Step 4: Simplify right side
    292,388.58x = 69,213,056,565.63
  5. Step 5: Solve for x
    x = 69,213,056,565.63/292,388.58
  6. Step 6: Final answer
    x = 236,716.01

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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.