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Finding the Fourth Proportional to 291,907.33, 437,879.49 and 123,396.24

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Solution

The fourth proportional to 291,907.33, 437,879.49 and 123,396.24 is: 185,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,907.33 : 437,879.49 = 123,396.24 : x
  2. Step 2: Convert to fraction form
    291,907.33/437,879.49 = 123,396.24/x
  3. Step 3: Cross multiply
    291,907.33x = 437,879.49 × 123,396.24
  4. Step 4: Simplify right side
    291,907.33x = 54,032,683,818.43
  5. Step 5: Solve for x
    x = 54,032,683,818.43/291,907.33
  6. Step 6: Final answer
    x = 185,102.18

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1.5x scale

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.