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Finding the Fourth Proportional to 560,944.89, 774,103.91 and 306,296.28

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Solution

The fourth proportional to 560,944.89, 774,103.91 and 306,296.28 is: 422,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,944.89 : 774,103.91 = 306,296.28 : x
  2. Step 2: Convert to fraction form
    560,944.89/774,103.91 = 306,296.28/x
  3. Step 3: Cross multiply
    560,944.89x = 774,103.91 × 306,296.28
  4. Step 4: Simplify right side
    560,944.89x = 237,105,146,434.97
  5. Step 5: Solve for x
    x = 237,105,146,434.97/560,944.89
  6. Step 6: Final answer
    x = 422,688.84

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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.