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Finding the Fourth Proportional to 423,396.55, 584,283.69 and 232,398.55

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Solution

The fourth proportional to 423,396.55, 584,283.69 and 232,398.55 is: 320,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,396.55 : 584,283.69 = 232,398.55 : x
  2. Step 2: Convert to fraction form
    423,396.55/584,283.69 = 232,398.55/x
  3. Step 3: Cross multiply
    423,396.55x = 584,283.69 × 232,398.55
  4. Step 4: Simplify right side
    423,396.55x = 135,786,682,344.65
  5. Step 5: Solve for x
    x = 135,786,682,344.65/423,396.55
  6. Step 6: Final answer
    x = 320,708.05

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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.