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Finding the Fourth Proportional to 563,761.90, 845,241.10 and 264,079.00

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Solution

The fourth proportional to 563,761.90, 845,241.10 and 264,079.00 is: 395,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,761.90 : 845,241.10 = 264,079.00 : x
  2. Step 2: Convert to fraction form
    563,761.90/845,241.10 = 264,079.00/x
  3. Step 3: Cross multiply
    563,761.90x = 845,241.10 × 264,079.00
  4. Step 4: Simplify right side
    563,761.90x = 223,210,422,020.12
  5. Step 5: Solve for x
    x = 223,210,422,020.12/563,761.90
  6. Step 6: Final answer
    x = 395,930.31

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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.