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Finding the Fourth Proportional to 352,977.92, 487,223.04 and 225,995.52

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Solution

The fourth proportional to 352,977.92, 487,223.04 and 225,995.52 is: 311,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,977.92 : 487,223.04 = 225,995.52 : x
  2. Step 2: Convert to fraction form
    352,977.92/487,223.04 = 225,995.52/x
  3. Step 3: Cross multiply
    352,977.92x = 487,223.04 × 225,995.52
  4. Step 4: Simplify right side
    352,977.92x = 110,110,224,280.78
  5. Step 5: Solve for x
    x = 110,110,224,280.78/352,977.92
  6. Step 6: Final answer
    x = 311,946.49

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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.