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Finding the Fourth Proportional to 486,792.06, 671,728.59 and 271,902.30

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Solution

The fourth proportional to 486,792.06, 671,728.59 and 271,902.30 is: 375,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,792.06 : 671,728.59 = 271,902.30 : x
  2. Step 2: Convert to fraction form
    486,792.06/671,728.59 = 271,902.30/x
  3. Step 3: Cross multiply
    486,792.06x = 671,728.59 × 271,902.30
  4. Step 4: Simplify right side
    486,792.06x = 182,644,548,596.76
  5. Step 5: Solve for x
    x = 182,644,548,596.76/486,792.06
  6. Step 6: Final answer
    x = 375,200.34

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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.