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Finding the Fourth Proportional to 605,514.60, 907,494.30 and 368,605.80

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Solution

The fourth proportional to 605,514.60, 907,494.30 and 368,605.80 is: 552,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,514.60 : 907,494.30 = 368,605.80 : x
  2. Step 2: Convert to fraction form
    605,514.60/907,494.30 = 368,605.80/x
  3. Step 3: Cross multiply
    605,514.60x = 907,494.30 × 368,605.80
  4. Step 4: Simplify right side
    605,514.60x = 334,507,662,446.94
  5. Step 5: Solve for x
    x = 334,507,662,446.94/605,514.60
  6. Step 6: Final answer
    x = 552,435.34

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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.