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Finding the Fourth Proportional to 468,876.50, 647,049.84 and 254,018.06

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Solution

The fourth proportional to 468,876.50, 647,049.84 and 254,018.06 is: 350,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,876.50 : 647,049.84 = 254,018.06 : x
  2. Step 2: Convert to fraction form
    468,876.50/647,049.84 = 254,018.06/x
  3. Step 3: Cross multiply
    468,876.50x = 647,049.84 × 254,018.06
  4. Step 4: Simplify right side
    468,876.50x = 164,362,345,080.11
  5. Step 5: Solve for x
    x = 164,362,345,080.11/468,876.50
  6. Step 6: Final answer
    x = 350,545.07

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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.