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Finding the Fourth Proportional to 325,544.40, 487,625.40 and 270,248.40

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Solution

The fourth proportional to 325,544.40, 487,625.40 and 270,248.40 is: 404,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,544.40 : 487,625.40 = 270,248.40 : x
  2. Step 2: Convert to fraction form
    325,544.40/487,625.40 = 270,248.40/x
  3. Step 3: Cross multiply
    325,544.40x = 487,625.40 × 270,248.40
  4. Step 4: Simplify right side
    325,544.40x = 131,779,984,149.36
  5. Step 5: Solve for x
    x = 131,779,984,149.36/325,544.40
  6. Step 6: Final answer
    x = 404,798.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.