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Finding the Fourth Proportional to 506,072.44, 698,394.81 and 276,642.37

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Solution

The fourth proportional to 506,072.44, 698,394.81 and 276,642.37 is: 381,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,072.44 : 698,394.81 = 276,642.37 : x
  2. Step 2: Convert to fraction form
    506,072.44/698,394.81 = 276,642.37/x
  3. Step 3: Cross multiply
    506,072.44x = 698,394.81 × 276,642.37
  4. Step 4: Simplify right side
    506,072.44x = 193,205,595,788.39
  5. Step 5: Solve for x
    x = 193,205,595,788.39/506,072.44
  6. Step 6: Final answer
    x = 381,774.58

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1.5x scale

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.