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Finding the Fourth Proportional to 302,684.25, 452,905.38 and 189,462.45

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Solution

The fourth proportional to 302,684.25, 452,905.38 and 189,462.45 is: 283,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,684.25 : 452,905.38 = 189,462.45 : x
  2. Step 2: Convert to fraction form
    302,684.25/452,905.38 = 189,462.45/x
  3. Step 3: Cross multiply
    302,684.25x = 452,905.38 × 189,462.45
  4. Step 4: Simplify right side
    302,684.25x = 85,808,562,912.98
  5. Step 5: Solve for x
    x = 85,808,562,912.98/302,684.25
  6. Step 6: Final answer
    x = 283,492.00

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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.