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Finding the Fourth Proportional to 469,562.72, 647,995.88 and 254,702.52

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Solution

The fourth proportional to 469,562.72, 647,995.88 and 254,702.52 is: 351,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,562.72 : 647,995.88 = 254,702.52 : x
  2. Step 2: Convert to fraction form
    469,562.72/647,995.88 = 254,702.52/x
  3. Step 3: Cross multiply
    469,562.72x = 647,995.88 × 254,702.52
  4. Step 4: Simplify right side
    469,562.72x = 165,046,184,222.37
  5. Step 5: Solve for x
    x = 165,046,184,222.37/469,562.72
  6. Step 6: Final answer
    x = 351,489.12

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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.