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Finding the Fourth Proportional to 609,696.24, 915,135.72 and 294,374.64

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Solution

The fourth proportional to 609,696.24, 915,135.72 and 294,374.64 is: 441,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,696.24 : 915,135.72 = 294,374.64 : x
  2. Step 2: Convert to fraction form
    609,696.24/915,135.72 = 294,374.64/x
  3. Step 3: Cross multiply
    609,696.24x = 915,135.72 × 294,374.64
  4. Step 4: Simplify right side
    609,696.24x = 269,392,748,126.14
  5. Step 5: Solve for x
    x = 269,392,748,126.14/609,696.24
  6. Step 6: Final answer
    x = 441,847.48

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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.