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Finding the Fourth Proportional to 475,792.32, 656,628.20 and 271,838.86

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Solution

The fourth proportional to 475,792.32, 656,628.20 and 271,838.86 is: 375,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,792.32 : 656,628.20 = 271,838.86 : x
  2. Step 2: Convert to fraction form
    475,792.32/656,628.20 = 271,838.86/x
  3. Step 3: Cross multiply
    475,792.32x = 656,628.20 × 271,838.86
  4. Step 4: Simplify right side
    475,792.32x = 178,497,058,041.65
  5. Step 5: Solve for x
    x = 178,497,058,041.65/475,792.32
  6. Step 6: Final answer
    x = 375,157.51

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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.