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Finding the Fourth Proportional to 535,201.61, 737,863.72 and 425,185.28

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Solution

The fourth proportional to 535,201.61, 737,863.72 and 425,185.28 is: 586,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,201.61 : 737,863.72 = 425,185.28 : x
  2. Step 2: Convert to fraction form
    535,201.61/737,863.72 = 425,185.28/x
  3. Step 3: Cross multiply
    535,201.61x = 737,863.72 × 425,185.28
  4. Step 4: Simplify right side
    535,201.61x = 313,728,790,264.12
  5. Step 5: Solve for x
    x = 313,728,790,264.12/535,201.61
  6. Step 6: Final answer
    x = 586,188.05

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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.