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Finding the Fourth Proportional to 325,356.76, 487,399.51 and 224,136.91

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Solution

The fourth proportional to 325,356.76, 487,399.51 and 224,136.91 is: 335,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,356.76 : 487,399.51 = 224,136.91 : x
  2. Step 2: Convert to fraction form
    325,356.76/487,399.51 = 224,136.91/x
  3. Step 3: Cross multiply
    325,356.76x = 487,399.51 × 224,136.91
  4. Step 4: Simplify right side
    325,356.76x = 109,244,220,106.91
  5. Step 5: Solve for x
    x = 109,244,220,106.91/325,356.76
  6. Step 6: Final answer
    x = 335,767.48

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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.