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Finding the Fourth Proportional to 423,637.75, 584,630.25 and 232,655.23

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Solution

The fourth proportional to 423,637.75, 584,630.25 and 232,655.23 is: 321,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,637.75 : 584,630.25 = 232,655.23 : x
  2. Step 2: Convert to fraction form
    423,637.75/584,630.25 = 232,655.23/x
  3. Step 3: Cross multiply
    423,637.75x = 584,630.25 × 232,655.23
  4. Step 4: Simplify right side
    423,637.75x = 136,017,285,278.71
  5. Step 5: Solve for x
    x = 136,017,285,278.71/423,637.75
  6. Step 6: Final answer
    x = 321,069.79

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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.