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Finding the Fourth Proportional to 254,493.60, 380,962.80 and 254,493.60

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Solution

The fourth proportional to 254,493.60, 380,962.80 and 254,493.60 is: 380,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,493.60 : 380,962.80 = 254,493.60 : x
  2. Step 2: Convert to fraction form
    254,493.60/380,962.80 = 254,493.60/x
  3. Step 3: Cross multiply
    254,493.60x = 380,962.80 × 254,493.60
  4. Step 4: Simplify right side
    254,493.60x = 96,952,594,438.08
  5. Step 5: Solve for x
    x = 96,952,594,438.08/254,493.60
  6. Step 6: Final answer
    x = 380,962.80

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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.