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Finding the Fourth Proportional to 477,308, 658,668.18 and 262,446.56

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Solution

The fourth proportional to 477,308, 658,668.18 and 262,446.56 is: 362,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,308 : 658,668.18 = 262,446.56 : x
  2. Step 2: Convert to fraction form
    477,308/658,668.18 = 262,446.56/x
  3. Step 3: Cross multiply
    477,308x = 658,668.18 × 262,446.56
  4. Step 4: Simplify right side
    477,308x = 172,865,198,022.46
  5. Step 5: Solve for x
    x = 172,865,198,022.46/477,308
  6. Step 6: Final answer
    x = 362,166.98

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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.