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Finding the Fourth Proportional to 383,602.04, 529,351.44 and 213,803.36

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Solution

The fourth proportional to 383,602.04, 529,351.44 and 213,803.36 is: 295,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,602.04 : 529,351.44 = 213,803.36 : x
  2. Step 2: Convert to fraction form
    383,602.04/529,351.44 = 213,803.36/x
  3. Step 3: Cross multiply
    383,602.04x = 529,351.44 × 213,803.36
  4. Step 4: Simplify right side
    383,602.04x = 113,177,116,492.84
  5. Step 5: Solve for x
    x = 113,177,116,492.84/383,602.04
  6. Step 6: Final answer
    x = 295,037.84

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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.