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Finding the Fourth Proportional to 567,864.65, 851,612.67 and 188,683.56

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Solution

The fourth proportional to 567,864.65, 851,612.67 and 188,683.56 is: 282,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,864.65 : 851,612.67 = 188,683.56 : x
  2. Step 2: Convert to fraction form
    567,864.65/851,612.67 = 188,683.56/x
  3. Step 3: Cross multiply
    567,864.65x = 851,612.67 × 188,683.56
  4. Step 4: Simplify right side
    567,864.65x = 160,685,309,316.35
  5. Step 5: Solve for x
    x = 160,685,309,316.35/567,864.65
  6. Step 6: Final answer
    x = 282,964.10

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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.