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Finding the Fourth Proportional to 469,117.50, 647,378.51 and 254,252.04

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Solution

The fourth proportional to 469,117.50, 647,378.51 and 254,252.04 is: 350,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,117.50 : 647,378.51 = 254,252.04 : x
  2. Step 2: Convert to fraction form
    469,117.50/647,378.51 = 254,252.04/x
  3. Step 3: Cross multiply
    469,117.50x = 647,378.51 × 254,252.04
  4. Step 4: Simplify right side
    469,117.50x = 164,597,305,548.40
  5. Step 5: Solve for x
    x = 164,597,305,548.40/469,117.50
  6. Step 6: Final answer
    x = 350,865.84

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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.