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Finding the Fourth Proportional to 907,954.14, 1,361,879.37 and 347,045.34

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Solution

The fourth proportional to 907,954.14, 1,361,879.37 and 347,045.34 is: 520,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,954.14 : 1,361,879.37 = 347,045.34 : x
  2. Step 2: Convert to fraction form
    907,954.14/1,361,879.37 = 347,045.34/x
  3. Step 3: Cross multiply
    907,954.14x = 1,361,879.37 × 347,045.34
  4. Step 4: Simplify right side
    907,954.14x = 472,633,889,000.64
  5. Step 5: Solve for x
    x = 472,633,889,000.64/907,954.14
  6. Step 6: Final answer
    x = 520,548.20

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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.