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Finding the Fourth Proportional to 447,079.77, 616,967.28 and 253,524.20

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Solution

The fourth proportional to 447,079.77, 616,967.28 and 253,524.20 is: 349,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,079.77 : 616,967.28 = 253,524.20 : x
  2. Step 2: Convert to fraction form
    447,079.77/616,967.28 = 253,524.20/x
  3. Step 3: Cross multiply
    447,079.77x = 616,967.28 × 253,524.20
  4. Step 4: Simplify right side
    447,079.77x = 156,416,133,003.34
  5. Step 5: Solve for x
    x = 156,416,133,003.34/447,079.77
  6. Step 6: Final answer
    x = 349,861.80

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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.