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Finding the Fourth Proportional to 316,751.73, 436,767.13 and 201,848.37

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Solution

The fourth proportional to 316,751.73, 436,767.13 and 201,848.37 is: 278,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,751.73 : 436,767.13 = 201,848.37 : x
  2. Step 2: Convert to fraction form
    316,751.73/436,767.13 = 201,848.37/x
  3. Step 3: Cross multiply
    316,751.73x = 436,767.13 × 201,848.37
  4. Step 4: Simplify right side
    316,751.73x = 88,160,733,763.63
  5. Step 5: Solve for x
    x = 88,160,733,763.63/316,751.73
  6. Step 6: Final answer
    x = 278,327.55

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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.