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Finding the Fourth Proportional to 523,662.62, 785,555.45 and 186,751.17

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Solution

The fourth proportional to 523,662.62, 785,555.45 and 186,751.17 is: 280,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,662.62 : 785,555.45 = 186,751.17 : x
  2. Step 2: Convert to fraction form
    523,662.62/785,555.45 = 186,751.17/x
  3. Step 3: Cross multiply
    523,662.62x = 785,555.45 × 186,751.17
  4. Step 4: Simplify right side
    523,662.62x = 146,703,399,153.94
  5. Step 5: Solve for x
    x = 146,703,399,153.94/523,662.62
  6. Step 6: Final answer
    x = 280,148.69

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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.