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Finding the Fourth Proportional to 457,844.46, 631,813.38 and 253,894.86

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Solution

The fourth proportional to 457,844.46, 631,813.38 and 253,894.86 is: 350,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,844.46 : 631,813.38 = 253,894.86 : x
  2. Step 2: Convert to fraction form
    457,844.46/631,813.38 = 253,894.86/x
  3. Step 3: Cross multiply
    457,844.46x = 631,813.38 × 253,894.86
  4. Step 4: Simplify right side
    457,844.46x = 160,414,170,295.96
  5. Step 5: Solve for x
    x = 160,414,170,295.96/457,844.46
  6. Step 6: Final answer
    x = 350,368.27

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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.