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Finding the Fourth Proportional to 423,665.51, 584,670.42 and 232,691.27

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Solution

The fourth proportional to 423,665.51, 584,670.42 and 232,691.27 is: 321,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,665.51 : 584,670.42 = 232,691.27 : x
  2. Step 2: Convert to fraction form
    423,665.51/584,670.42 = 232,691.27/x
  3. Step 3: Cross multiply
    423,665.51x = 584,670.42 × 232,691.27
  4. Step 4: Simplify right side
    423,665.51x = 136,047,699,637.88
  5. Step 5: Solve for x
    x = 136,047,699,637.88/423,665.51
  6. Step 6: Final answer
    x = 321,120.55

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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.