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Finding the Fourth Proportional to 536,765.76, 805,280.58 and 267,021.18

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Solution

The fourth proportional to 536,765.76, 805,280.58 and 267,021.18 is: 400,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,765.76 : 805,280.58 = 267,021.18 : x
  2. Step 2: Convert to fraction form
    536,765.76/805,280.58 = 267,021.18/x
  3. Step 3: Cross multiply
    536,765.76x = 805,280.58 × 267,021.18
  4. Step 4: Simplify right side
    536,765.76x = 215,026,970,702.68
  5. Step 5: Solve for x
    x = 215,026,970,702.68/536,765.76
  6. Step 6: Final answer
    x = 400,597.41

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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.