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Finding the Fourth Proportional to 575,775.42, 863,773.83 and 220,761.76

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Solution

The fourth proportional to 575,775.42, 863,773.83 and 220,761.76 is: 331,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,775.42 : 863,773.83 = 220,761.76 : x
  2. Step 2: Convert to fraction form
    575,775.42/863,773.83 = 220,761.76/x
  3. Step 3: Cross multiply
    575,775.42x = 863,773.83 × 220,761.76
  4. Step 4: Simplify right side
    575,775.42x = 190,688,226,633.87
  5. Step 5: Solve for x
    x = 190,688,226,633.87/575,775.42
  6. Step 6: Final answer
    x = 331,185.08

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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.