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Finding the Fourth Proportional to 451,136.72, 676,657.36 and 237,819.16

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Solution

The fourth proportional to 451,136.72, 676,657.36 and 237,819.16 is: 356,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,136.72 : 676,657.36 = 237,819.16 : x
  2. Step 2: Convert to fraction form
    451,136.72/676,657.36 = 237,819.16/x
  3. Step 3: Cross multiply
    451,136.72x = 676,657.36 × 237,819.16
  4. Step 4: Simplify right side
    451,136.72x = 160,922,084,963.02
  5. Step 5: Solve for x
    x = 160,922,084,963.02/451,136.72
  6. Step 6: Final answer
    x = 356,703.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.