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Finding the Fourth Proportional to 423,590.39, 584,548.08 and 232,603.79

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Solution

The fourth proportional to 423,590.39, 584,548.08 and 232,603.79 is: 320,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,590.39 : 584,548.08 = 232,603.79 : x
  2. Step 2: Convert to fraction form
    423,590.39/584,548.08 = 232,603.79/x
  3. Step 3: Cross multiply
    423,590.39x = 584,548.08 × 232,603.79
  4. Step 4: Simplify right side
    423,590.39x = 135,968,096,358.62
  5. Step 5: Solve for x
    x = 135,968,096,358.62/423,590.39
  6. Step 6: Final answer
    x = 320,989.56

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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.