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Finding the Fourth Proportional to 984,953.41, 1,477,879.02 and 505,517.89

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Solution

The fourth proportional to 984,953.41, 1,477,879.02 and 505,517.89 is: 758,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,953.41 : 1,477,879.02 = 505,517.89 : x
  2. Step 2: Convert to fraction form
    984,953.41/1,477,879.02 = 505,517.89/x
  3. Step 3: Cross multiply
    984,953.41x = 1,477,879.02 × 505,517.89
  4. Step 4: Simplify right side
    984,953.41x = 747,094,283,865.67
  5. Step 5: Solve for x
    x = 747,094,283,865.67/984,953.41
  6. Step 6: Final answer
    x = 758,507.23

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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.