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Finding the Fourth Proportional to 468,846.51, 647,007.51 and 253,987.44

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Solution

The fourth proportional to 468,846.51, 647,007.51 and 253,987.44 is: 350,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,846.51 : 647,007.51 = 253,987.44 : x
  2. Step 2: Convert to fraction form
    468,846.51/647,007.51 = 253,987.44/x
  3. Step 3: Cross multiply
    468,846.51x = 647,007.51 × 253,987.44
  4. Step 4: Simplify right side
    468,846.51x = 164,331,781,125.67
  5. Step 5: Solve for x
    x = 164,331,781,125.67/468,846.51
  6. Step 6: Final answer
    x = 350,502.30

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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.