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Finding the Fourth Proportional to 217,798.62, 300,334.23 and 172,404.06

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Solution

The fourth proportional to 217,798.62, 300,334.23 and 172,404.06 is: 237,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,798.62 : 300,334.23 = 172,404.06 : x
  2. Step 2: Convert to fraction form
    217,798.62/300,334.23 = 172,404.06/x
  3. Step 3: Cross multiply
    217,798.62x = 300,334.23 × 172,404.06
  4. Step 4: Simplify right side
    217,798.62x = 51,778,840,608.97
  5. Step 5: Solve for x
    x = 51,778,840,608.97/217,798.62
  6. Step 6: Final answer
    x = 237,737.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.