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Finding the Fourth Proportional to 368,514.40, 508,369.44 and 225,026.14

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Solution

The fourth proportional to 368,514.40, 508,369.44 and 225,026.14 is: 310,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,514.40 : 508,369.44 = 225,026.14 : x
  2. Step 2: Convert to fraction form
    368,514.40/508,369.44 = 225,026.14/x
  3. Step 3: Cross multiply
    368,514.40x = 508,369.44 × 225,026.14
  4. Step 4: Simplify right side
    368,514.40x = 114,396,412,777.16
  5. Step 5: Solve for x
    x = 114,396,412,777.16/368,514.40
  6. Step 6: Final answer
    x = 310,425.90

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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.