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Finding the Fourth Proportional to 500,746.86, 751,243.41 and 145,763.96

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Solution

The fourth proportional to 500,746.86, 751,243.41 and 145,763.96 is: 218,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,746.86 : 751,243.41 = 145,763.96 : x
  2. Step 2: Convert to fraction form
    500,746.86/751,243.41 = 145,763.96/x
  3. Step 3: Cross multiply
    500,746.86x = 751,243.41 × 145,763.96
  4. Step 4: Simplify right side
    500,746.86x = 109,504,210,609.29
  5. Step 5: Solve for x
    x = 109,504,210,609.29/500,746.86
  6. Step 6: Final answer
    x = 218,681.77

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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.