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Finding the Fourth Proportional to 493,771.76, 681,405.06 and 267,417.26

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Solution

The fourth proportional to 493,771.76, 681,405.06 and 267,417.26 is: 369,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,771.76 : 681,405.06 = 267,417.26 : x
  2. Step 2: Convert to fraction form
    493,771.76/681,405.06 = 267,417.26/x
  3. Step 3: Cross multiply
    493,771.76x = 681,405.06 × 267,417.26
  4. Step 4: Simplify right side
    493,771.76x = 182,219,474,095.34
  5. Step 5: Solve for x
    x = 182,219,474,095.34/493,771.76
  6. Step 6: Final answer
    x = 369,035.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.