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Finding the Fourth Proportional to 500,987.13, 751,320.32 and 163,936.41

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Solution

The fourth proportional to 500,987.13, 751,320.32 and 163,936.41 is: 245,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,987.13 : 751,320.32 = 163,936.41 : x
  2. Step 2: Convert to fraction form
    500,987.13/751,320.32 = 163,936.41/x
  3. Step 3: Cross multiply
    500,987.13x = 751,320.32 × 163,936.41
  4. Step 4: Simplify right side
    500,987.13x = 123,168,755,201.17
  5. Step 5: Solve for x
    x = 123,168,755,201.17/500,987.13
  6. Step 6: Final answer
    x = 245,852.13

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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.