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Finding the Fourth Proportional to 503,484.68, 755,229 and 203,970.92

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Solution

The fourth proportional to 503,484.68, 755,229 and 203,970.92 is: 305,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,484.68 : 755,229 = 203,970.92 : x
  2. Step 2: Convert to fraction form
    503,484.68/755,229 = 203,970.92/x
  3. Step 3: Cross multiply
    503,484.68x = 755,229 × 203,970.92
  4. Step 4: Simplify right side
    503,484.68x = 154,044,753,940.68
  5. Step 5: Solve for x
    x = 154,044,753,940.68/503,484.68
  6. Step 6: Final answer
    x = 305,957.18

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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.