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Finding the Fourth Proportional to 541,415.68, 812,921.89 and 301,997.36

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Solution

The fourth proportional to 541,415.68, 812,921.89 and 301,997.36 is: 453,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,415.68 : 812,921.89 = 301,997.36 : x
  2. Step 2: Convert to fraction form
    541,415.68/812,921.89 = 301,997.36/x
  3. Step 3: Cross multiply
    541,415.68x = 812,921.89 × 301,997.36
  4. Step 4: Simplify right side
    541,415.68x = 245,500,261,087.71
  5. Step 5: Solve for x
    x = 245,500,261,087.71/541,415.68
  6. Step 6: Final answer
    x = 453,441.36

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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.