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Finding the Fourth Proportional to 544,595.10, 815,920.65 and 263,492.70

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Solution

The fourth proportional to 544,595.10, 815,920.65 and 263,492.70 is: 394,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,595.10 : 815,920.65 = 263,492.70 : x
  2. Step 2: Convert to fraction form
    544,595.10/815,920.65 = 263,492.70/x
  3. Step 3: Cross multiply
    544,595.10x = 815,920.65 × 263,492.70
  4. Step 4: Simplify right side
    544,595.10x = 214,989,135,054.26
  5. Step 5: Solve for x
    x = 214,989,135,054.26/544,595.10
  6. Step 6: Final answer
    x = 394,768.77

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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.