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Finding the Fourth Proportional to 561,096.99, 774,602.73 and 331,724.43

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Solution

The fourth proportional to 561,096.99, 774,602.73 and 331,724.43 is: 457,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,096.99 : 774,602.73 = 331,724.43 : x
  2. Step 2: Convert to fraction form
    561,096.99/774,602.73 = 331,724.43/x
  3. Step 3: Cross multiply
    561,096.99x = 774,602.73 × 331,724.43
  4. Step 4: Simplify right side
    561,096.99x = 256,954,649,085.69
  5. Step 5: Solve for x
    x = 256,954,649,085.69/561,096.99
  6. Step 6: Final answer
    x = 457,950.50

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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.