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Finding the Fourth Proportional to 431,448.02, 595,440.39 and 322,363.07

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Solution

The fourth proportional to 431,448.02, 595,440.39 and 322,363.07 is: 444,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,448.02 : 595,440.39 = 322,363.07 : x
  2. Step 2: Convert to fraction form
    431,448.02/595,440.39 = 322,363.07/x
  3. Step 3: Cross multiply
    431,448.02x = 595,440.39 × 322,363.07
  4. Step 4: Simplify right side
    431,448.02x = 191,947,992,122.40
  5. Step 5: Solve for x
    x = 191,947,992,122.40/431,448.02
  6. Step 6: Final answer
    x = 444,892.51

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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.