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Finding the Fourth Proportional to 552,563.64, 762,530.22 and 310,846.14

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Solution

The fourth proportional to 552,563.64, 762,530.22 and 310,846.14 is: 428,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,563.64 : 762,530.22 = 310,846.14 : x
  2. Step 2: Convert to fraction form
    552,563.64/762,530.22 = 310,846.14/x
  3. Step 3: Cross multiply
    552,563.64x = 762,530.22 × 310,846.14
  4. Step 4: Simplify right side
    552,563.64x = 237,029,575,520.35
  5. Step 5: Solve for x
    x = 237,029,575,520.35/552,563.64
  6. Step 6: Final answer
    x = 428,963.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.