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Finding the Fourth Proportional to 440,434.46, 660,736.44 and 187,710.21

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Solution

The fourth proportional to 440,434.46, 660,736.44 and 187,710.21 is: 281,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,434.46 : 660,736.44 = 187,710.21 : x
  2. Step 2: Convert to fraction form
    440,434.46/660,736.44 = 187,710.21/x
  3. Step 3: Cross multiply
    440,434.46x = 660,736.44 × 187,710.21
  4. Step 4: Simplify right side
    440,434.46x = 124,026,975,907.05
  5. Step 5: Solve for x
    x = 124,026,975,907.05/440,434.46
  6. Step 6: Final answer
    x = 281,601.43

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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.