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Finding the Fourth Proportional to 606,716.47, 909,685.90 and 251,975.35

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Solution

The fourth proportional to 606,716.47, 909,685.90 and 251,975.35 is: 377,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,716.47 : 909,685.90 = 251,975.35 : x
  2. Step 2: Convert to fraction form
    606,716.47/909,685.90 = 251,975.35/x
  3. Step 3: Cross multiply
    606,716.47x = 909,685.90 × 251,975.35
  4. Step 4: Simplify right side
    606,716.47x = 229,218,423,042.57
  5. Step 5: Solve for x
    x = 229,218,423,042.57/606,716.47
  6. Step 6: Final answer
    x = 377,801.55

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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.