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Finding the Fourth Proportional to 500,998.88, 751,337.94 and 163,948.16

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Solution

The fourth proportional to 500,998.88, 751,337.94 and 163,948.16 is: 245,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,998.88 : 751,337.94 = 163,948.16 : x
  2. Step 2: Convert to fraction form
    500,998.88/751,337.94 = 163,948.16/x
  3. Step 3: Cross multiply
    500,998.88x = 751,337.94 × 163,948.16
  4. Step 4: Simplify right side
    500,998.88x = 123,180,472,801.19
  5. Step 5: Solve for x
    x = 123,180,472,801.19/500,998.88
  6. Step 6: Final answer
    x = 245,869.76

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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.