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Finding the Fourth Proportional to 270,504.24, 405,783.42 and 92,987.88

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Solution

The fourth proportional to 270,504.24, 405,783.42 and 92,987.88 is: 139,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,504.24 : 405,783.42 = 92,987.88 : x
  2. Step 2: Convert to fraction form
    270,504.24/405,783.42 = 92,987.88/x
  3. Step 3: Cross multiply
    270,504.24x = 405,783.42 × 92,987.88
  4. Step 4: Simplify right side
    270,504.24x = 37,732,939,964.95
  5. Step 5: Solve for x
    x = 37,732,939,964.95/270,504.24
  6. Step 6: Final answer
    x = 139,491.12

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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.