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Finding the Fourth Proportional to 606,414.20, 908,309.10 and 325,603.40

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Solution

The fourth proportional to 606,414.20, 908,309.10 and 325,603.40 is: 487,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,414.20 : 908,309.10 = 325,603.40 : x
  2. Step 2: Convert to fraction form
    606,414.20/908,309.10 = 325,603.40/x
  3. Step 3: Cross multiply
    606,414.20x = 908,309.10 × 325,603.40
  4. Step 4: Simplify right side
    606,414.20x = 295,748,531,210.94
  5. Step 5: Solve for x
    x = 295,748,531,210.94/606,414.20
  6. Step 6: Final answer
    x = 487,700.54

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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.