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Finding the Fourth Proportional to 477,021.69, 658,307.25 and 262,178.10

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Solution

The fourth proportional to 477,021.69, 658,307.25 and 262,178.10 is: 361,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,021.69 : 658,307.25 = 262,178.10 : x
  2. Step 2: Convert to fraction form
    477,021.69/658,307.25 = 262,178.10/x
  3. Step 3: Cross multiply
    477,021.69x = 658,307.25 × 262,178.10
  4. Step 4: Simplify right side
    477,021.69x = 172,593,744,021.23
  5. Step 5: Solve for x
    x = 172,593,744,021.23/477,021.69
  6. Step 6: Final answer
    x = 361,815.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.