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Finding the Fourth Proportional to 560,738.28, 774,096.39 and 345,996.66

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Solution

The fourth proportional to 560,738.28, 774,096.39 and 345,996.66 is: 477,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,738.28 : 774,096.39 = 345,996.66 : x
  2. Step 2: Convert to fraction form
    560,738.28/774,096.39 = 345,996.66/x
  3. Step 3: Cross multiply
    560,738.28x = 774,096.39 × 345,996.66
  4. Step 4: Simplify right side
    560,738.28x = 267,834,765,458.06
  5. Step 5: Solve for x
    x = 267,834,765,458.06/560,738.28
  6. Step 6: Final answer
    x = 477,646.66

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Double scale
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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.