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Finding the Fourth Proportional to 338,907.12, 467,692.26 and 188,004.12

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Solution

The fourth proportional to 338,907.12, 467,692.26 and 188,004.12 is: 259,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,907.12 : 467,692.26 = 188,004.12 : x
  2. Step 2: Convert to fraction form
    338,907.12/467,692.26 = 188,004.12/x
  3. Step 3: Cross multiply
    338,907.12x = 467,692.26 × 188,004.12
  4. Step 4: Simplify right side
    338,907.12x = 87,928,071,772.11
  5. Step 5: Solve for x
    x = 87,928,071,772.11/338,907.12
  6. Step 6: Final answer
    x = 259,445.93

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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.