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Finding the Fourth Proportional to 313,496.30, 432,633.46 and 184,443.86

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Solution

The fourth proportional to 313,496.30, 432,633.46 and 184,443.86 is: 254,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,496.30 : 432,633.46 = 184,443.86 : x
  2. Step 2: Convert to fraction form
    313,496.30/432,633.46 = 184,443.86/x
  3. Step 3: Cross multiply
    313,496.30x = 432,633.46 × 184,443.86
  4. Step 4: Simplify right side
    313,496.30x = 79,796,585,327.56
  5. Step 5: Solve for x
    x = 79,796,585,327.56/313,496.30
  6. Step 6: Final answer
    x = 254,537.57

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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.