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Finding the Fourth Proportional to 441,636.69, 609,410.22 and 248,005.18

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Solution

The fourth proportional to 441,636.69, 609,410.22 and 248,005.18 is: 342,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,636.69 : 609,410.22 = 248,005.18 : x
  2. Step 2: Convert to fraction form
    441,636.69/609,410.22 = 248,005.18/x
  3. Step 3: Cross multiply
    441,636.69x = 609,410.22 × 248,005.18
  4. Step 4: Simplify right side
    441,636.69x = 151,136,891,304.94
  5. Step 5: Solve for x
    x = 151,136,891,304.94/441,636.69
  6. Step 6: Final answer
    x = 342,219.96

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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.