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Finding the Fourth Proportional to 444,962.76, 613,879.12 and 328,954.78

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Solution

The fourth proportional to 444,962.76, 613,879.12 and 328,954.78 is: 453,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,962.76 : 613,879.12 = 328,954.78 : x
  2. Step 2: Convert to fraction form
    444,962.76/613,879.12 = 328,954.78/x
  3. Step 3: Cross multiply
    444,962.76x = 613,879.12 × 328,954.78
  4. Step 4: Simplify right side
    444,962.76x = 201,938,470,866.19
  5. Step 5: Solve for x
    x = 201,938,470,866.19/444,962.76
  6. Step 6: Final answer
    x = 453,832.30

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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.