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Finding the Fourth Proportional to 575,775.17, 863,773.46 and 220,761.50

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Solution

The fourth proportional to 575,775.17, 863,773.46 and 220,761.50 is: 331,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,775.17 : 863,773.46 = 220,761.50 : x
  2. Step 2: Convert to fraction form
    575,775.17/863,773.46 = 220,761.50/x
  3. Step 3: Cross multiply
    575,775.17x = 863,773.46 × 220,761.50
  4. Step 4: Simplify right side
    575,775.17x = 190,687,926,297.32
  5. Step 5: Solve for x
    x = 190,687,926,297.32/575,775.17
  6. Step 6: Final answer
    x = 331,184.70

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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.