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Finding the Fourth Proportional to 296,998.10, 445,497.15 and 276,002.90

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Solution

The fourth proportional to 296,998.10, 445,497.15 and 276,002.90 is: 414,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,998.10 : 445,497.15 = 276,002.90 : x
  2. Step 2: Convert to fraction form
    296,998.10/445,497.15 = 276,002.90/x
  3. Step 3: Cross multiply
    296,998.10x = 445,497.15 × 276,002.90
  4. Step 4: Simplify right side
    296,998.10x = 122,958,505,341.74
  5. Step 5: Solve for x
    x = 122,958,505,341.74/296,998.10
  6. Step 6: Final answer
    x = 414,004.35

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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.