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Finding the Fourth Proportional to 355,200.80, 531,926.40 and 167,993.60

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Solution

The fourth proportional to 355,200.80, 531,926.40 and 167,993.60 is: 251,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,200.80 : 531,926.40 = 167,993.60 : x
  2. Step 2: Convert to fraction form
    355,200.80/531,926.40 = 167,993.60/x
  3. Step 3: Cross multiply
    355,200.80x = 531,926.40 × 167,993.60
  4. Step 4: Simplify right side
    355,200.80x = 89,360,230,871.04
  5. Step 5: Solve for x
    x = 89,360,230,871.04/355,200.80
  6. Step 6: Final answer
    x = 251,576.66

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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.