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Finding the Fourth Proportional to 468,851.44, 647,018.04 and 253,991.32

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Solution

The fourth proportional to 468,851.44, 647,018.04 and 253,991.32 is: 350,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,851.44 : 647,018.04 = 253,991.32 : x
  2. Step 2: Convert to fraction form
    468,851.44/647,018.04 = 253,991.32/x
  3. Step 3: Cross multiply
    468,851.44x = 647,018.04 × 253,991.32
  4. Step 4: Simplify right side
    468,851.44x = 164,336,966,043.41
  5. Step 5: Solve for x
    x = 164,336,966,043.41/468,851.44
  6. Step 6: Final answer
    x = 350,509.68

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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.