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Finding the Fourth Proportional to 468,363.57, 646,183.13 and 304,945.46

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Solution

The fourth proportional to 468,363.57, 646,183.13 and 304,945.46 is: 420,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,363.57 : 646,183.13 = 304,945.46 : x
  2. Step 2: Convert to fraction form
    468,363.57/646,183.13 = 304,945.46/x
  3. Step 3: Cross multiply
    468,363.57x = 646,183.13 × 304,945.46
  4. Step 4: Simplify right side
    468,363.57x = 197,050,607,066.45
  5. Step 5: Solve for x
    x = 197,050,607,066.45/468,363.57
  6. Step 6: Final answer
    x = 420,721.46

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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.