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Finding the Fourth Proportional to 577,907.20, 866,601.60 and 262,201.60

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Solution

The fourth proportional to 577,907.20, 866,601.60 and 262,201.60 is: 393,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,907.20 : 866,601.60 = 262,201.60 : x
  2. Step 2: Convert to fraction form
    577,907.20/866,601.60 = 262,201.60/x
  3. Step 3: Cross multiply
    577,907.20x = 866,601.60 × 262,201.60
  4. Step 4: Simplify right side
    577,907.20x = 227,224,326,082.56
  5. Step 5: Solve for x
    x = 227,224,326,082.56/577,907.20
  6. Step 6: Final answer
    x = 393,184.80

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1.5x scale

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.