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Finding the Fourth Proportional to 312,365.44, 467,459.52 and 255,548.80

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Solution

The fourth proportional to 312,365.44, 467,459.52 and 255,548.80 is: 382,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,365.44 : 467,459.52 = 255,548.80 : x
  2. Step 2: Convert to fraction form
    312,365.44/467,459.52 = 255,548.80/x
  3. Step 3: Cross multiply
    312,365.44x = 467,459.52 × 255,548.80
  4. Step 4: Simplify right side
    312,365.44x = 119,458,719,384.58
  5. Step 5: Solve for x
    x = 119,458,719,384.58/312,365.44
  6. Step 6: Final answer
    x = 382,432.57

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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.