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Finding the Fourth Proportional to 599,935.14, 828,118.98 and 345,387.78

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Solution

The fourth proportional to 599,935.14, 828,118.98 and 345,387.78 is: 476,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,935.14 : 828,118.98 = 345,387.78 : x
  2. Step 2: Convert to fraction form
    599,935.14/828,118.98 = 345,387.78/x
  3. Step 3: Cross multiply
    599,935.14x = 828,118.98 × 345,387.78
  4. Step 4: Simplify right side
    599,935.14x = 286,022,176,078.06
  5. Step 5: Solve for x
    x = 286,022,176,078.06/599,935.14
  6. Step 6: Final answer
    x = 476,755.16

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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.