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Finding the Fourth Proportional to 297,554.40, 446,331.36 and 75,938.40

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Solution

The fourth proportional to 297,554.40, 446,331.36 and 75,938.40 is: 113,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,554.40 : 446,331.36 = 75,938.40 : x
  2. Step 2: Convert to fraction form
    297,554.40/446,331.36 = 75,938.40/x
  3. Step 3: Cross multiply
    297,554.40x = 446,331.36 × 75,938.40
  4. Step 4: Simplify right side
    297,554.40x = 33,893,689,348.22
  5. Step 5: Solve for x
    x = 33,893,689,348.22/297,554.40
  6. Step 6: Final answer
    x = 113,907.54

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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.