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Finding the Fourth Proportional to 294,374.40, 441,676.80 and 107,404.80

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Solution

The fourth proportional to 294,374.40, 441,676.80 and 107,404.80 is: 161,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,374.40 : 441,676.80 = 107,404.80 : x
  2. Step 2: Convert to fraction form
    294,374.40/441,676.80 = 107,404.80/x
  3. Step 3: Cross multiply
    294,374.40x = 441,676.80 × 107,404.80
  4. Step 4: Simplify right side
    294,374.40x = 47,438,208,368.64
  5. Step 5: Solve for x
    x = 47,438,208,368.64/294,374.40
  6. Step 6: Final answer
    x = 161,149.23

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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.