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Finding the Fourth Proportional to 500,701.50, 751,170.38 and 163,740.83

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Solution

The fourth proportional to 500,701.50, 751,170.38 and 163,740.83 is: 245,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,701.50 : 751,170.38 = 163,740.83 : x
  2. Step 2: Convert to fraction form
    500,701.50/751,170.38 = 163,740.83/x
  3. Step 3: Cross multiply
    500,701.50x = 751,170.38 × 163,740.83
  4. Step 4: Simplify right side
    500,701.50x = 122,997,256,918.06
  5. Step 5: Solve for x
    x = 122,997,256,918.06/500,701.50
  6. Step 6: Final answer
    x = 245,649.87

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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.