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Finding the Fourth Proportional to 313,404.12, 432,454.14 and 184,348.44

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Solution

The fourth proportional to 313,404.12, 432,454.14 and 184,348.44 is: 254,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,404.12 : 432,454.14 = 184,348.44 : x
  2. Step 2: Convert to fraction form
    313,404.12/432,454.14 = 184,348.44/x
  3. Step 3: Cross multiply
    313,404.12x = 432,454.14 × 184,348.44
  4. Step 4: Simplify right side
    313,404.12x = 79,722,246,080.54
  5. Step 5: Solve for x
    x = 79,722,246,080.54/313,404.12
  6. Step 6: Final answer
    x = 254,375.23

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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.