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Finding the Fourth Proportional to 263,994.40, 395,994.90 and 174,609.28

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Solution

The fourth proportional to 263,994.40, 395,994.90 and 174,609.28 is: 261,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,994.40 : 395,994.90 = 174,609.28 : x
  2. Step 2: Convert to fraction form
    263,994.40/395,994.90 = 174,609.28/x
  3. Step 3: Cross multiply
    263,994.40x = 395,994.90 × 174,609.28
  4. Step 4: Simplify right side
    263,994.40x = 69,144,382,803.89
  5. Step 5: Solve for x
    x = 69,144,382,803.89/263,994.40
  6. Step 6: Final answer
    x = 261,916.10

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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.