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Finding the Fourth Proportional to 247,307.54, 340,907.01 and 151,636.82

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Solution

The fourth proportional to 247,307.54, 340,907.01 and 151,636.82 is: 209,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,307.54 : 340,907.01 = 151,636.82 : x
  2. Step 2: Convert to fraction form
    247,307.54/340,907.01 = 151,636.82/x
  3. Step 3: Cross multiply
    247,307.54x = 340,907.01 × 151,636.82
  4. Step 4: Simplify right side
    247,307.54x = 51,694,054,912.11
  5. Step 5: Solve for x
    x = 51,694,054,912.11/247,307.54
  6. Step 6: Final answer
    x = 209,027.41

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1.5x scale

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.