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Finding the Fourth Proportional to 447,333.00, 617,336.61 and 256,383.33

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Solution

The fourth proportional to 447,333.00, 617,336.61 and 256,383.33 is: 353,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,333.00 : 617,336.61 = 256,383.33 : x
  2. Step 2: Convert to fraction form
    447,333.00/617,336.61 = 256,383.33/x
  3. Step 3: Cross multiply
    447,333.00x = 617,336.61 × 256,383.33
  4. Step 4: Simplify right side
    447,333.00x = 158,274,811,434.11
  5. Step 5: Solve for x
    x = 158,274,811,434.11/447,333.00
  6. Step 6: Final answer
    x = 353,818.77

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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.