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Finding the Fourth Proportional to 984,954.70, 1,477,480.65 and 512,562.70

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Solution

The fourth proportional to 984,954.70, 1,477,480.65 and 512,562.70 is: 768,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,954.70 : 1,477,480.65 = 512,562.70 : x
  2. Step 2: Convert to fraction form
    984,954.70/1,477,480.65 = 512,562.70/x
  3. Step 3: Cross multiply
    984,954.70x = 1,477,480.65 × 512,562.70
  4. Step 4: Simplify right side
    984,954.70x = 757,301,471,161.76
  5. Step 5: Solve for x
    x = 757,301,471,161.76/984,954.70
  6. Step 6: Final answer
    x = 768,869.34

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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.