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Finding the Fourth Proportional to 451,535.82, 623,120.31 and 250,331.82

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Solution

The fourth proportional to 451,535.82, 623,120.31 and 250,331.82 is: 345,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,535.82 : 623,120.31 = 250,331.82 : x
  2. Step 2: Convert to fraction form
    451,535.82/623,120.31 = 250,331.82/x
  3. Step 3: Cross multiply
    451,535.82x = 623,120.31 × 250,331.82
  4. Step 4: Simplify right side
    451,535.82x = 155,986,841,281.26
  5. Step 5: Solve for x
    x = 155,986,841,281.26/451,535.82
  6. Step 6: Final answer
    x = 345,458.40

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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.