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Finding the Fourth Proportional to 313,897.15, 433,181.14 and 170,660.27

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Solution

The fourth proportional to 313,897.15, 433,181.14 and 170,660.27 is: 235,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,897.15 : 433,181.14 = 170,660.27 : x
  2. Step 2: Convert to fraction form
    313,897.15/433,181.14 = 170,660.27/x
  3. Step 3: Cross multiply
    313,897.15x = 433,181.14 × 170,660.27
  4. Step 4: Simplify right side
    313,897.15x = 73,926,809,010.95
  5. Step 5: Solve for x
    x = 73,926,809,010.95/313,897.15
  6. Step 6: Final answer
    x = 235,512.84

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1.5x scale

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.