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Finding the Fourth Proportional to 348,370.76, 480,853.86 and 227,530.38

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Solution

The fourth proportional to 348,370.76, 480,853.86 and 227,530.38 is: 314,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,370.76 : 480,853.86 = 227,530.38 : x
  2. Step 2: Convert to fraction form
    348,370.76/480,853.86 = 227,530.38/x
  3. Step 3: Cross multiply
    348,370.76x = 480,853.86 × 227,530.38
  4. Step 4: Simplify right side
    348,370.76x = 109,408,861,490.27
  5. Step 5: Solve for x
    x = 109,408,861,490.27/348,370.76
  6. Step 6: Final answer
    x = 314,058.68

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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.