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Finding the Fourth Proportional to 538,935.30, 807,352.83 and 328,050.18

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Solution

The fourth proportional to 538,935.30, 807,352.83 and 328,050.18 is: 491,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,935.30 : 807,352.83 = 328,050.18 : x
  2. Step 2: Convert to fraction form
    538,935.30/807,352.83 = 328,050.18/x
  3. Step 3: Cross multiply
    538,935.30x = 807,352.83 × 328,050.18
  4. Step 4: Simplify right side
    538,935.30x = 264,852,241,205.01
  5. Step 5: Solve for x
    x = 264,852,241,205.01/538,935.30
  6. Step 6: Final answer
    x = 491,436.06

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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.