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Finding the Fourth Proportional to 504,553.30, 696,452.25 and 300,668.16

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Solution

The fourth proportional to 504,553.30, 696,452.25 and 300,668.16 is: 415,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,553.30 : 696,452.25 = 300,668.16 : x
  2. Step 2: Convert to fraction form
    504,553.30/696,452.25 = 300,668.16/x
  3. Step 3: Cross multiply
    504,553.30x = 696,452.25 × 300,668.16
  4. Step 4: Simplify right side
    504,553.30x = 209,401,016,535.36
  5. Step 5: Solve for x
    x = 209,401,016,535.36/504,553.30
  6. Step 6: Final answer
    x = 415,022.59

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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.