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Finding the Fourth Proportional to 369,608.43, 510,062.37 and 208,466.64

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Solution

The fourth proportional to 369,608.43, 510,062.37 and 208,466.64 is: 287,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,608.43 : 510,062.37 = 208,466.64 : x
  2. Step 2: Convert to fraction form
    369,608.43/510,062.37 = 208,466.64/x
  3. Step 3: Cross multiply
    369,608.43x = 510,062.37 × 208,466.64
  4. Step 4: Simplify right side
    369,608.43x = 106,330,988,464.34
  5. Step 5: Solve for x
    x = 106,330,988,464.34/369,608.43
  6. Step 6: Final answer
    x = 287,685.51

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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.