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Finding the Fourth Proportional to 484,843.96, 669,131.19 and 269,983.96

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Solution

The fourth proportional to 484,843.96, 669,131.19 and 269,983.96 is: 372,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,843.96 : 669,131.19 = 269,983.96 : x
  2. Step 2: Convert to fraction form
    484,843.96/669,131.19 = 269,983.96/x
  3. Step 3: Cross multiply
    484,843.96x = 669,131.19 × 269,983.96
  4. Step 4: Simplify right side
    484,843.96x = 180,654,688,435.71
  5. Step 5: Solve for x
    x = 180,654,688,435.71/484,843.96
  6. Step 6: Final answer
    x = 372,603.77

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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.