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Finding the Fourth Proportional to 766,903.84, 1,150,358.73 and 234,422.80

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Solution

The fourth proportional to 766,903.84, 1,150,358.73 and 234,422.80 is: 351,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,903.84 : 1,150,358.73 = 234,422.80 : x
  2. Step 2: Convert to fraction form
    766,903.84/1,150,358.73 = 234,422.80/x
  3. Step 3: Cross multiply
    766,903.84x = 1,150,358.73 × 234,422.80
  4. Step 4: Simplify right side
    766,903.84x = 269,670,314,491.04
  5. Step 5: Solve for x
    x = 269,670,314,491.04/766,903.84
  6. Step 6: Final answer
    x = 351,635.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.