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Finding the Fourth Proportional to 477,369.91, 658,775.19 and 262,511.47

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Solution

The fourth proportional to 477,369.91, 658,775.19 and 262,511.47 is: 362,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,369.91 : 658,775.19 = 262,511.47 : x
  2. Step 2: Convert to fraction form
    477,369.91/658,775.19 = 262,511.47/x
  3. Step 3: Cross multiply
    477,369.91x = 658,775.19 × 262,511.47
  4. Step 4: Simplify right side
    477,369.91x = 172,936,043,526.43
  5. Step 5: Solve for x
    x = 172,936,043,526.43/477,369.91
  6. Step 6: Final answer
    x = 362,268.42

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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.