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Finding the Fourth Proportional to 439,762.72, 606,883.44 and 269,900.32

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Solution

The fourth proportional to 439,762.72, 606,883.44 and 269,900.32 is: 372,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,762.72 : 606,883.44 = 269,900.32 : x
  2. Step 2: Convert to fraction form
    439,762.72/606,883.44 = 269,900.32/x
  3. Step 3: Cross multiply
    439,762.72x = 606,883.44 × 269,900.32
  4. Step 4: Simplify right side
    439,762.72x = 163,798,034,658.70
  5. Step 5: Solve for x
    x = 163,798,034,658.70/439,762.72
  6. Step 6: Final answer
    x = 372,469.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.