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Finding the Fourth Proportional to 701,503.12, 968,169.12 and 395,642.32

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Solution

The fourth proportional to 701,503.12, 968,169.12 and 395,642.32 is: 546,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,503.12 : 968,169.12 = 395,642.32 : x
  2. Step 2: Convert to fraction form
    701,503.12/968,169.12 = 395,642.32/x
  3. Step 3: Cross multiply
    701,503.12x = 968,169.12 × 395,642.32
  4. Step 4: Simplify right side
    701,503.12x = 383,048,676,789.16
  5. Step 5: Solve for x
    x = 383,048,676,789.16/701,503.12
  6. Step 6: Final answer
    x = 546,039.88

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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.