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Finding the Fourth Proportional to 567,383.24, 782,979.54 and 312,758.12

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Solution

The fourth proportional to 567,383.24, 782,979.54 and 312,758.12 is: 431,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,383.24 : 782,979.54 = 312,758.12 : x
  2. Step 2: Convert to fraction form
    567,383.24/782,979.54 = 312,758.12/x
  3. Step 3: Cross multiply
    567,383.24x = 782,979.54 × 312,758.12
  4. Step 4: Simplify right side
    567,383.24x = 244,883,208,928.87
  5. Step 5: Solve for x
    x = 244,883,208,928.87/567,383.24
  6. Step 6: Final answer
    x = 431,601.06

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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.