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Finding the Fourth Proportional to 270,444.76, 405,563.34 and 92,918.68

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Solution

The fourth proportional to 270,444.76, 405,563.34 and 92,918.68 is: 139,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,444.76 : 405,563.34 = 92,918.68 : x
  2. Step 2: Convert to fraction form
    270,444.76/405,563.34 = 92,918.68/x
  3. Step 3: Cross multiply
    270,444.76x = 405,563.34 × 92,918.68
  4. Step 4: Simplify right side
    270,444.76x = 37,684,410,209.19
  5. Step 5: Solve for x
    x = 37,684,410,209.19/270,444.76
  6. Step 6: Final answer
    x = 139,342.36

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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.