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Finding the Fourth Proportional to 469,174.98, 647,444.14 and 254,310.44

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Solution

The fourth proportional to 469,174.98, 647,444.14 and 254,310.44 is: 350,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,174.98 : 647,444.14 = 254,310.44 : x
  2. Step 2: Convert to fraction form
    469,174.98/647,444.14 = 254,310.44/x
  3. Step 3: Cross multiply
    469,174.98x = 647,444.14 × 254,310.44
  4. Step 4: Simplify right side
    469,174.98x = 164,651,804,118.82
  5. Step 5: Solve for x
    x = 164,651,804,118.82/469,174.98
  6. Step 6: Final answer
    x = 350,939.01

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1.5x scale

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.