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Finding the Fourth Proportional to 311,328.84, 429,644.34 and 184,113.48

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Solution

The fourth proportional to 311,328.84, 429,644.34 and 184,113.48 is: 254,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,328.84 : 429,644.34 = 184,113.48 : x
  2. Step 2: Convert to fraction form
    311,328.84/429,644.34 = 184,113.48/x
  3. Step 3: Cross multiply
    311,328.84x = 429,644.34 × 184,113.48
  4. Step 4: Simplify right side
    311,328.84x = 79,103,314,599.70
  5. Step 5: Solve for x
    x = 79,103,314,599.70/311,328.84
  6. Step 6: Final answer
    x = 254,082.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.