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Finding the Fourth Proportional to 468,863.74, 647,031.18 and 254,009.26

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Solution

The fourth proportional to 468,863.74, 647,031.18 and 254,009.26 is: 350,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,863.74 : 647,031.18 = 254,009.26 : x
  2. Step 2: Convert to fraction form
    468,863.74/647,031.18 = 254,009.26/x
  3. Step 3: Cross multiply
    468,863.74x = 647,031.18 × 254,009.26
  4. Step 4: Simplify right side
    468,863.74x = 164,351,911,228.73
  5. Step 5: Solve for x
    x = 164,351,911,228.73/468,863.74
  6. Step 6: Final answer
    x = 350,532.36

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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.