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Finding the Fourth Proportional to 541,308.54, 810,345.09 and 327,429.19

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Solution

The fourth proportional to 541,308.54, 810,345.09 and 327,429.19 is: 490,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,308.54 : 810,345.09 = 327,429.19 : x
  2. Step 2: Convert to fraction form
    541,308.54/810,345.09 = 327,429.19/x
  3. Step 3: Cross multiply
    541,308.54x = 810,345.09 × 327,429.19
  4. Step 4: Simplify right side
    541,308.54x = 265,330,638,679.97
  5. Step 5: Solve for x
    x = 265,330,638,679.97/541,308.54
  6. Step 6: Final answer
    x = 490,165.25

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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.