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Finding the Fourth Proportional to 701,854.10, 968,561.58 and 379,564.20

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Solution

The fourth proportional to 701,854.10, 968,561.58 and 379,564.20 is: 523,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,854.10 : 968,561.58 = 379,564.20 : x
  2. Step 2: Convert to fraction form
    701,854.10/968,561.58 = 379,564.20/x
  3. Step 3: Cross multiply
    701,854.10x = 968,561.58 × 379,564.20
  4. Step 4: Simplify right side
    701,854.10x = 367,631,302,208.31
  5. Step 5: Solve for x
    x = 367,631,302,208.31/701,854.10
  6. Step 6: Final answer
    x = 523,800.18

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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.