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Finding the Fourth Proportional to 270,477.42, 405,753.04 and 112,668.97

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Solution

The fourth proportional to 270,477.42, 405,753.04 and 112,668.97 is: 169,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,477.42 : 405,753.04 = 112,668.97 : x
  2. Step 2: Convert to fraction form
    270,477.42/405,753.04 = 112,668.97/x
  3. Step 3: Cross multiply
    270,477.42x = 405,753.04 × 112,668.97
  4. Step 4: Simplify right side
    270,477.42x = 45,715,776,809.50
  5. Step 5: Solve for x
    x = 45,715,776,809.50/270,477.42
  6. Step 6: Final answer
    x = 169,018.83

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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.