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Finding the Fourth Proportional to 593,137.36, 818,530.12 and 321,205.52

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Solution

The fourth proportional to 593,137.36, 818,530.12 and 321,205.52 is: 443,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,137.36 : 818,530.12 = 321,205.52 : x
  2. Step 2: Convert to fraction form
    593,137.36/818,530.12 = 321,205.52/x
  3. Step 3: Cross multiply
    593,137.36x = 818,530.12 × 321,205.52
  4. Step 4: Simplify right side
    593,137.36x = 262,916,392,830.26
  5. Step 5: Solve for x
    x = 262,916,392,830.26/593,137.36
  6. Step 6: Final answer
    x = 443,263.92

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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.