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Finding the Fourth Proportional to 701,679.83, 968,210.75 and 395,742.83

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Solution

The fourth proportional to 701,679.83, 968,210.75 and 395,742.83 is: 546,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,679.83 : 968,210.75 = 395,742.83 : x
  2. Step 2: Convert to fraction form
    701,679.83/968,210.75 = 395,742.83/x
  3. Step 3: Cross multiply
    701,679.83x = 968,210.75 × 395,742.83
  4. Step 4: Simplify right side
    701,679.83x = 383,162,458,389.73
  5. Step 5: Solve for x
    x = 383,162,458,389.73/701,679.83
  6. Step 6: Final answer
    x = 546,064.52

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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.