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Finding the Fourth Proportional to 701,631.01, 968,250.54 and 379,341.01

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Solution

The fourth proportional to 701,631.01, 968,250.54 and 379,341.01 is: 523,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,631.01 : 968,250.54 = 379,341.01 : x
  2. Step 2: Convert to fraction form
    701,631.01/968,250.54 = 379,341.01/x
  3. Step 3: Cross multiply
    701,631.01x = 968,250.54 × 379,341.01
  4. Step 4: Simplify right side
    701,631.01x = 367,297,137,776.65
  5. Step 5: Solve for x
    x = 367,297,137,776.65/701,631.01
  6. Step 6: Final answer
    x = 523,490.46

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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.