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Finding the Fourth Proportional to 302,800.55, 454,200.83 and 223,485.35

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Solution

The fourth proportional to 302,800.55, 454,200.83 and 223,485.35 is: 335,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,800.55 : 454,200.83 = 223,485.35 : x
  2. Step 2: Convert to fraction form
    302,800.55/454,200.83 = 223,485.35/x
  3. Step 3: Cross multiply
    302,800.55x = 454,200.83 × 223,485.35
  4. Step 4: Simplify right side
    302,800.55x = 101,507,230,345.41
  5. Step 5: Solve for x
    x = 101,507,230,345.41/302,800.55
  6. Step 6: Final answer
    x = 335,228.03

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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.