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Finding the Fourth Proportional to 457,223.16, 630,976.92 and 273,650.76

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Solution

The fourth proportional to 457,223.16, 630,976.92 and 273,650.76 is: 377,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,223.16 : 630,976.92 = 273,650.76 : x
  2. Step 2: Convert to fraction form
    457,223.16/630,976.92 = 273,650.76/x
  3. Step 3: Cross multiply
    457,223.16x = 630,976.92 × 273,650.76
  4. Step 4: Simplify right side
    457,223.16x = 172,667,313,700.46
  5. Step 5: Solve for x
    x = 172,667,313,700.46/457,223.16
  6. Step 6: Final answer
    x = 377,643.41

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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.