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Finding the Fourth Proportional to 701,984.94, 968,657.29 and 396,066.16

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Solution

The fourth proportional to 701,984.94, 968,657.29 and 396,066.16 is: 546,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,984.94 : 968,657.29 = 396,066.16 : x
  2. Step 2: Convert to fraction form
    701,984.94/968,657.29 = 396,066.16/x
  3. Step 3: Cross multiply
    701,984.94x = 968,657.29 × 396,066.16
  4. Step 4: Simplify right side
    701,984.94x = 383,652,373,206.31
  5. Step 5: Solve for x
    x = 383,652,373,206.31/701,984.94
  6. Step 6: Final answer
    x = 546,525.08

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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.