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Finding the Fourth Proportional to 577,880.60, 866,237.70 and 262,563.80

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Solution

The fourth proportional to 577,880.60, 866,237.70 and 262,563.80 is: 393,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,880.60 : 866,237.70 = 262,563.80 : x
  2. Step 2: Convert to fraction form
    577,880.60/866,237.70 = 262,563.80/x
  3. Step 3: Cross multiply
    577,880.60x = 866,237.70 × 262,563.80
  4. Step 4: Simplify right side
    577,880.60x = 227,442,662,215.26
  5. Step 5: Solve for x
    x = 227,442,662,215.26/577,880.60
  6. Step 6: Final answer
    x = 393,580.72

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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.