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Finding the Fourth Proportional to 419,620.44, 579,068.36 and 233,363.32

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Solution

The fourth proportional to 419,620.44, 579,068.36 and 233,363.32 is: 322,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,620.44 : 579,068.36 = 233,363.32 : x
  2. Step 2: Convert to fraction form
    419,620.44/579,068.36 = 233,363.32/x
  3. Step 3: Cross multiply
    419,620.44x = 579,068.36 × 233,363.32
  4. Step 4: Simplify right side
    419,620.44x = 135,133,312,382.07
  5. Step 5: Solve for x
    x = 135,133,312,382.07/419,620.44
  6. Step 6: Final answer
    x = 322,037.01

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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.