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Finding the Fourth Proportional to 541,090.77, 810,263.13 and 324,814.92

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Solution

The fourth proportional to 541,090.77, 810,263.13 and 324,814.92 is: 486,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,090.77 : 810,263.13 = 324,814.92 : x
  2. Step 2: Convert to fraction form
    541,090.77/810,263.13 = 324,814.92/x
  3. Step 3: Cross multiply
    541,090.77x = 810,263.13 × 324,814.92
  4. Step 4: Simplify right side
    541,090.77x = 263,185,553,749.90
  5. Step 5: Solve for x
    x = 263,185,553,749.90/541,090.77
  6. Step 6: Final answer
    x = 486,398.16

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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.