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Finding the Fourth Proportional to 701,661.69, 968,542.11 and 415,181.16

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Solution

The fourth proportional to 701,661.69, 968,542.11 and 415,181.16 is: 573,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,661.69 : 968,542.11 = 415,181.16 : x
  2. Step 2: Convert to fraction form
    701,661.69/968,542.11 = 415,181.16/x
  3. Step 3: Cross multiply
    701,661.69x = 968,542.11 × 415,181.16
  4. Step 4: Simplify right side
    701,661.69x = 402,120,436,738.65
  5. Step 5: Solve for x
    x = 402,120,436,738.65/701,661.69
  6. Step 6: Final answer
    x = 573,097.32

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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.