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Finding the Fourth Proportional to 551,473.40, 827,111.70 and 146,667.92

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Solution

The fourth proportional to 551,473.40, 827,111.70 and 146,667.92 is: 219,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,473.40 : 827,111.70 = 146,667.92 : x
  2. Step 2: Convert to fraction form
    551,473.40/827,111.70 = 146,667.92/x
  3. Step 3: Cross multiply
    551,473.40x = 827,111.70 × 146,667.92
  4. Step 4: Simplify right side
    551,473.40x = 121,310,752,646.66
  5. Step 5: Solve for x
    x = 121,310,752,646.66/551,473.40
  6. Step 6: Final answer
    x = 219,975.71

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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.