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Finding the Fourth Proportional to 269,548.70, 403,739.85 and 175,070.30

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Solution

The fourth proportional to 269,548.70, 403,739.85 and 175,070.30 is: 262,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,548.70 : 403,739.85 = 175,070.30 : x
  2. Step 2: Convert to fraction form
    269,548.70/403,739.85 = 175,070.30/x
  3. Step 3: Cross multiply
    269,548.70x = 403,739.85 × 175,070.30
  4. Step 4: Simplify right side
    269,548.70x = 70,682,856,661.46
  5. Step 5: Solve for x
    x = 70,682,856,661.46/269,548.70
  6. Step 6: Final answer
    x = 262,226.67

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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.