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Finding the Fourth Proportional to 251,352.30, 377,028.45 and 223,358.70

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Solution

The fourth proportional to 251,352.30, 377,028.45 and 223,358.70 is: 335,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,352.30 : 377,028.45 = 223,358.70 : x
  2. Step 2: Convert to fraction form
    251,352.30/377,028.45 = 223,358.70/x
  3. Step 3: Cross multiply
    251,352.30x = 377,028.45 × 223,358.70
  4. Step 4: Simplify right side
    251,352.30x = 84,212,584,455.02
  5. Step 5: Solve for x
    x = 84,212,584,455.02/251,352.30
  6. Step 6: Final answer
    x = 335,038.05

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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.