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Finding the Fourth Proportional to 701,511.12, 968,180.16 and 395,650.32

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Solution

The fourth proportional to 701,511.12, 968,180.16 and 395,650.32 is: 546,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,511.12 : 968,180.16 = 395,650.32 : x
  2. Step 2: Convert to fraction form
    701,511.12/968,180.16 = 395,650.32/x
  3. Step 3: Cross multiply
    701,511.12x = 968,180.16 × 395,650.32
  4. Step 4: Simplify right side
    701,511.12x = 383,060,790,121.65
  5. Step 5: Solve for x
    x = 383,060,790,121.65/701,511.12
  6. Step 6: Final answer
    x = 546,050.92

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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.