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Finding the Fourth Proportional to 607,338.12, 910,908.74 and 270,299.54

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Solution

The fourth proportional to 607,338.12, 910,908.74 and 270,299.54 is: 405,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,338.12 : 910,908.74 = 270,299.54 : x
  2. Step 2: Convert to fraction form
    607,338.12/910,908.74 = 270,299.54/x
  3. Step 3: Cross multiply
    607,338.12x = 910,908.74 × 270,299.54
  4. Step 4: Simplify right side
    607,338.12x = 246,218,213,403.98
  5. Step 5: Solve for x
    x = 246,218,213,403.98/607,338.12
  6. Step 6: Final answer
    x = 405,405.50

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1.5x scale

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.