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Finding the Fourth Proportional to 605,150.35, 907,867.69 and 339,094.51

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Solution

The fourth proportional to 605,150.35, 907,867.69 and 339,094.51 is: 508,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,150.35 : 907,867.69 = 339,094.51 : x
  2. Step 2: Convert to fraction form
    605,150.35/907,867.69 = 339,094.51/x
  3. Step 3: Cross multiply
    605,150.35x = 907,867.69 × 339,094.51
  4. Step 4: Simplify right side
    605,150.35x = 307,852,946,367.98
  5. Step 5: Solve for x
    x = 307,852,946,367.98/605,150.35
  6. Step 6: Final answer
    x = 508,721.42

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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.