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Finding the Fourth Proportional to 606,143.25, 909,214.89 and 336,436.95

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Solution

The fourth proportional to 606,143.25, 909,214.89 and 336,436.95 is: 504,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,143.25 : 909,214.89 = 336,436.95 : x
  2. Step 2: Convert to fraction form
    606,143.25/909,214.89 = 336,436.95/x
  3. Step 3: Cross multiply
    606,143.25x = 909,214.89 × 336,436.95
  4. Step 4: Simplify right side
    606,143.25x = 305,893,484,486.19
  5. Step 5: Solve for x
    x = 305,893,484,486.19/606,143.25
  6. Step 6: Final answer
    x = 504,655.43

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Similar ratio
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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.