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Finding the Fourth Proportional to 423,326.60, 584,172.42 and 232,343.24

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Solution

The fourth proportional to 423,326.60, 584,172.42 and 232,343.24 is: 320,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,326.60 : 584,172.42 = 232,343.24 : x
  2. Step 2: Convert to fraction form
    423,326.60/584,172.42 = 232,343.24/x
  3. Step 3: Cross multiply
    423,326.60x = 584,172.42 × 232,343.24
  4. Step 4: Simplify right side
    423,326.60x = 135,728,512,781.44
  5. Step 5: Solve for x
    x = 135,728,512,781.44/423,326.60
  6. Step 6: Final answer
    x = 320,623.63

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1.5x scale

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.