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Finding the Fourth Proportional to 504,359.60, 756,391.78 and 415,392.44

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Solution

The fourth proportional to 504,359.60, 756,391.78 and 415,392.44 is: 622,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,359.60 : 756,391.78 = 415,392.44 : x
  2. Step 2: Convert to fraction form
    504,359.60/756,391.78 = 415,392.44/x
  3. Step 3: Cross multiply
    504,359.60x = 756,391.78 × 415,392.44
  4. Step 4: Simplify right side
    504,359.60x = 314,199,427,090.14
  5. Step 5: Solve for x
    x = 314,199,427,090.14/504,359.60
  6. Step 6: Final answer
    x = 622,967.08

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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.