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Finding the Fourth Proportional to 666,566.87, 999,850.32 and 366,893.19

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Solution

The fourth proportional to 666,566.87, 999,850.32 and 366,893.19 is: 550,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,566.87 : 999,850.32 = 366,893.19 : x
  2. Step 2: Convert to fraction form
    666,566.87/999,850.32 = 366,893.19/x
  3. Step 3: Cross multiply
    666,566.87x = 999,850.32 × 366,893.19
  4. Step 4: Simplify right side
    666,566.87x = 366,838,273,427.32
  5. Step 5: Solve for x
    x = 366,838,273,427.32/666,566.87
  6. Step 6: Final answer
    x = 550,339.80

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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.