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Finding the Fourth Proportional to 500,661.86, 751,038.96 and 163,704.24

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Solution

The fourth proportional to 500,661.86, 751,038.96 and 163,704.24 is: 245,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,661.86 : 751,038.96 = 163,704.24 : x
  2. Step 2: Convert to fraction form
    500,661.86/751,038.96 = 163,704.24/x
  3. Step 3: Cross multiply
    500,661.86x = 751,038.96 × 163,704.24
  4. Step 4: Simplify right side
    500,661.86x = 122,948,262,157.19
  5. Step 5: Solve for x
    x = 122,948,262,157.19/500,661.86
  6. Step 6: Final answer
    x = 245,571.46

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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.