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Finding the Fourth Proportional to 321,598.23, 443,734.05 and 185,603.37

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Solution

The fourth proportional to 321,598.23, 443,734.05 and 185,603.37 is: 256,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,598.23 : 443,734.05 = 185,603.37 : x
  2. Step 2: Convert to fraction form
    321,598.23/443,734.05 = 185,603.37/x
  3. Step 3: Cross multiply
    321,598.23x = 443,734.05 × 185,603.37
  4. Step 4: Simplify right side
    321,598.23x = 82,358,535,063.75
  5. Step 5: Solve for x
    x = 82,358,535,063.75/321,598.23
  6. Step 6: Final answer
    x = 256,091.38

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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.