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Finding the Fourth Proportional to 468,855, 647,019.26 and 253,995.92

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Solution

The fourth proportional to 468,855, 647,019.26 and 253,995.92 is: 350,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,855 : 647,019.26 = 253,995.92 : x
  2. Step 2: Convert to fraction form
    468,855/647,019.26 = 253,995.92/x
  3. Step 3: Cross multiply
    468,855x = 647,019.26 × 253,995.92
  4. Step 4: Simplify right side
    468,855x = 164,340,252,201.42
  5. Step 5: Solve for x
    x = 164,340,252,201.42/468,855
  6. Step 6: Final answer
    x = 350,514.02

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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.