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Finding the Fourth Proportional to 606,004.20, 908,228.70 and 465,064.20

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Solution

The fourth proportional to 606,004.20, 908,228.70 and 465,064.20 is: 696,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,004.20 : 908,228.70 = 465,064.20 : x
  2. Step 2: Convert to fraction form
    606,004.20/908,228.70 = 465,064.20/x
  3. Step 3: Cross multiply
    606,004.20x = 908,228.70 × 465,064.20
  4. Step 4: Simplify right side
    606,004.20x = 422,384,653,782.54
  5. Step 5: Solve for x
    x = 422,384,653,782.54/606,004.20
  6. Step 6: Final answer
    x = 696,999.55

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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.