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Finding the Fourth Proportional to 297,472.63, 446,386.25 and 107,947.79

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Solution

The fourth proportional to 297,472.63, 446,386.25 and 107,947.79 is: 161,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,472.63 : 446,386.25 = 107,947.79 : x
  2. Step 2: Convert to fraction form
    297,472.63/446,386.25 = 107,947.79/x
  3. Step 3: Cross multiply
    297,472.63x = 446,386.25 × 107,947.79
  4. Step 4: Simplify right side
    297,472.63x = 48,186,409,173.89
  5. Step 5: Solve for x
    x = 48,186,409,173.89/297,472.63
  6. Step 6: Final answer
    x = 161,986.03

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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.