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Finding the Fourth Proportional to 297,783.81, 446,628.60 and 247,505.49

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Solution

The fourth proportional to 297,783.81, 446,628.60 and 247,505.49 is: 371,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,783.81 : 446,628.60 = 247,505.49 : x
  2. Step 2: Convert to fraction form
    297,783.81/446,628.60 = 247,505.49/x
  3. Step 3: Cross multiply
    297,783.81x = 446,628.60 × 247,505.49
  4. Step 4: Simplify right side
    297,783.81x = 110,543,030,491.01
  5. Step 5: Solve for x
    x = 110,543,030,491.01/297,783.81
  6. Step 6: Final answer
    x = 371,219.07

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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.