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Finding the Fourth Proportional to 300,075.33, 413,908.87 and 192,474.93

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Solution

The fourth proportional to 300,075.33, 413,908.87 and 192,474.93 is: 265,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,075.33 : 413,908.87 = 192,474.93 : x
  2. Step 2: Convert to fraction form
    300,075.33/413,908.87 = 192,474.93/x
  3. Step 3: Cross multiply
    300,075.33x = 413,908.87 × 192,474.93
  4. Step 4: Simplify right side
    300,075.33x = 79,667,080,779.63
  5. Step 5: Solve for x
    x = 79,667,080,779.63/300,075.33
  6. Step 6: Final answer
    x = 265,490.27

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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.