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Finding the Fourth Proportional to 482,206.01, 665,465.90 and 275,492.48

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Solution

The fourth proportional to 482,206.01, 665,465.90 and 275,492.48 is: 380,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,206.01 : 665,465.90 = 275,492.48 : x
  2. Step 2: Convert to fraction form
    482,206.01/665,465.90 = 275,492.48/x
  3. Step 3: Cross multiply
    482,206.01x = 665,465.90 × 275,492.48
  4. Step 4: Simplify right side
    482,206.01x = 183,330,846,441.64
  5. Step 5: Solve for x
    x = 183,330,846,441.64/482,206.01
  6. Step 6: Final answer
    x = 380,191.96

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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.