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Finding the Fourth Proportional to 701,685.74, 968,105.27 and 429,469.85

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Solution

The fourth proportional to 701,685.74, 968,105.27 and 429,469.85 is: 592,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,685.74 : 968,105.27 = 429,469.85 : x
  2. Step 2: Convert to fraction form
    701,685.74/968,105.27 = 429,469.85/x
  3. Step 3: Cross multiply
    701,685.74x = 968,105.27 × 429,469.85
  4. Step 4: Simplify right side
    701,685.74x = 415,772,028,585.05
  5. Step 5: Solve for x
    x = 415,772,028,585.05/701,685.74
  6. Step 6: Final answer
    x = 592,533.10

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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.