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Finding the Fourth Proportional to 577,868.60, 866,219.70 and 262,551.80

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Solution

The fourth proportional to 577,868.60, 866,219.70 and 262,551.80 is: 393,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,868.60 : 866,219.70 = 262,551.80 : x
  2. Step 2: Convert to fraction form
    577,868.60/866,219.70 = 262,551.80/x
  3. Step 3: Cross multiply
    577,868.60x = 866,219.70 × 262,551.80
  4. Step 4: Simplify right side
    577,868.60x = 227,427,541,430.46
  5. Step 5: Solve for x
    x = 227,427,541,430.46/577,868.60
  6. Step 6: Final answer
    x = 393,562.73

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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.