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Finding the Fourth Proportional to 351,993.40, 526,823.70 and 323,999.80

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Solution

The fourth proportional to 351,993.40, 526,823.70 and 323,999.80 is: 484,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,993.40 : 526,823.70 = 323,999.80 : x
  2. Step 2: Convert to fraction form
    351,993.40/526,823.70 = 323,999.80/x
  3. Step 3: Cross multiply
    351,993.40x = 526,823.70 × 323,999.80
  4. Step 4: Simplify right side
    351,993.40x = 170,690,773,435.26
  5. Step 5: Solve for x
    x = 170,690,773,435.26/351,993.40
  6. Step 6: Final answer
    x = 484,926.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.