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Finding the Fourth Proportional to 578,893.24, 798,863.34 and 324,243.64

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Solution

The fourth proportional to 578,893.24, 798,863.34 and 324,243.64 is: 447,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,893.24 : 798,863.34 = 324,243.64 : x
  2. Step 2: Convert to fraction form
    578,893.24/798,863.34 = 324,243.64/x
  3. Step 3: Cross multiply
    578,893.24x = 798,863.34 × 324,243.64
  4. Step 4: Simplify right side
    578,893.24x = 259,026,357,224.16
  5. Step 5: Solve for x
    x = 259,026,357,224.16/578,893.24
  6. Step 6: Final answer
    x = 447,451.00

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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.