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Finding the Fourth Proportional to 394,386.46, 544,253.34 and 224,636.38

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Solution

The fourth proportional to 394,386.46, 544,253.34 and 224,636.38 is: 309,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,386.46 : 544,253.34 = 224,636.38 : x
  2. Step 2: Convert to fraction form
    394,386.46/544,253.34 = 224,636.38/x
  3. Step 3: Cross multiply
    394,386.46x = 544,253.34 × 224,636.38
  4. Step 4: Simplify right side
    394,386.46x = 122,259,100,100.51
  5. Step 5: Solve for x
    x = 122,259,100,100.51/394,386.46
  6. Step 6: Final answer
    x = 309,998.22

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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.