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Finding the Fourth Proportional to 423,300.84, 584,136.42 and 232,314.60

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Solution

The fourth proportional to 423,300.84, 584,136.42 and 232,314.60 is: 320,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,300.84 : 584,136.42 = 232,314.60 : x
  2. Step 2: Convert to fraction form
    423,300.84/584,136.42 = 232,314.60/x
  3. Step 3: Cross multiply
    423,300.84x = 584,136.42 × 232,314.60
  4. Step 4: Simplify right side
    423,300.84x = 135,703,418,757.73
  5. Step 5: Solve for x
    x = 135,703,418,757.73/423,300.84
  6. Step 6: Final answer
    x = 320,583.86

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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.