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Finding the Fourth Proportional to 352,307.98, 528,517.04 and 115,596.82

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Solution

The fourth proportional to 352,307.98, 528,517.04 and 115,596.82 is: 173,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,307.98 : 528,517.04 = 115,596.82 : x
  2. Step 2: Convert to fraction form
    352,307.98/528,517.04 = 115,596.82/x
  3. Step 3: Cross multiply
    352,307.98x = 528,517.04 × 115,596.82
  4. Step 4: Simplify right side
    352,307.98x = 61,094,889,139.81
  5. Step 5: Solve for x
    x = 61,094,889,139.81/352,307.98
  6. Step 6: Final answer
    x = 173,413.30

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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.