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Finding the Fourth Proportional to 445,048.59, 666,843.04 and 188,676.32

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Solution

The fourth proportional to 445,048.59, 666,843.04 and 188,676.32 is: 282,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,048.59 : 666,843.04 = 188,676.32 : x
  2. Step 2: Convert to fraction form
    445,048.59/666,843.04 = 188,676.32/x
  3. Step 3: Cross multiply
    445,048.59x = 666,843.04 × 188,676.32
  4. Step 4: Simplify right side
    445,048.59x = 125,817,487,706.44
  5. Step 5: Solve for x
    x = 125,817,487,706.44/445,048.59
  6. Step 6: Final answer
    x = 282,705.06

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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.