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Finding the Fourth Proportional to 423,363.40, 584,239.44 and 232,380.04

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Solution

The fourth proportional to 423,363.40, 584,239.44 and 232,380.04 is: 320,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,363.40 : 584,239.44 = 232,380.04 : x
  2. Step 2: Convert to fraction form
    423,363.40/584,239.44 = 232,380.04/x
  3. Step 3: Cross multiply
    423,363.40x = 584,239.44 × 232,380.04
  4. Step 4: Simplify right side
    423,363.40x = 135,765,584,436.78
  5. Step 5: Solve for x
    x = 135,765,584,436.78/423,363.40
  6. Step 6: Final answer
    x = 320,683.33

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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.