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Finding the Fourth Proportional to 404,064.92, 606,622.28 and 310,636.28

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Solution

The fourth proportional to 404,064.92, 606,622.28 and 310,636.28 is: 466,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,064.92 : 606,622.28 = 310,636.28 : x
  2. Step 2: Convert to fraction form
    404,064.92/606,622.28 = 310,636.28/x
  3. Step 3: Cross multiply
    404,064.92x = 606,622.28 × 310,636.28
  4. Step 4: Simplify right side
    404,064.92x = 188,438,888,424.32
  5. Step 5: Solve for x
    x = 188,438,888,424.32/404,064.92
  6. Step 6: Final answer
    x = 466,357.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.