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Finding the Fourth Proportional to 552,203.40, 828,305.10 and 494,466.60

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Solution

The fourth proportional to 552,203.40, 828,305.10 and 494,466.60 is: 741,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,203.40 : 828,305.10 = 494,466.60 : x
  2. Step 2: Convert to fraction form
    552,203.40/828,305.10 = 494,466.60/x
  3. Step 3: Cross multiply
    552,203.40x = 828,305.10 × 494,466.60
  4. Step 4: Simplify right side
    552,203.40x = 409,569,206,559.66
  5. Step 5: Solve for x
    x = 409,569,206,559.66/552,203.40
  6. Step 6: Final answer
    x = 741,699.90

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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.