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Finding the Fourth Proportional to 593,087.63, 818,464.82 and 321,155.54

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Solution

The fourth proportional to 593,087.63, 818,464.82 and 321,155.54 is: 443,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,087.63 : 818,464.82 = 321,155.54 : x
  2. Step 2: Convert to fraction form
    593,087.63/818,464.82 = 321,155.54/x
  3. Step 3: Cross multiply
    593,087.63x = 818,464.82 × 321,155.54
  4. Step 4: Simplify right side
    593,087.63x = 262,854,505,540.00
  5. Step 5: Solve for x
    x = 262,854,505,540.00/593,087.63
  6. Step 6: Final answer
    x = 443,196.75

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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.