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Finding the Fourth Proportional to 606,341.70, 908,200.35 and 325,530.90

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Solution

The fourth proportional to 606,341.70, 908,200.35 and 325,530.90 is: 487,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,341.70 : 908,200.35 = 325,530.90 : x
  2. Step 2: Convert to fraction form
    606,341.70/908,200.35 = 325,530.90/x
  3. Step 3: Cross multiply
    606,341.70x = 908,200.35 × 325,530.90
  4. Step 4: Simplify right side
    606,341.70x = 295,647,277,315.82
  5. Step 5: Solve for x
    x = 295,647,277,315.82/606,341.70
  6. Step 6: Final answer
    x = 487,591.86

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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.