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Finding the Fourth Proportional to 270,394.74, 405,601.52 and 92,900.45

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Solution

The fourth proportional to 270,394.74, 405,601.52 and 92,900.45 is: 139,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394.74 : 405,601.52 = 92,900.45 : x
  2. Step 2: Convert to fraction form
    270,394.74/405,601.52 = 92,900.45/x
  3. Step 3: Cross multiply
    270,394.74x = 405,601.52 × 92,900.45
  4. Step 4: Simplify right side
    270,394.74x = 37,680,563,728.68
  5. Step 5: Solve for x
    x = 37,680,563,728.68/270,394.74
  6. Step 6: Final answer
    x = 139,353.91

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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.