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Finding the Fourth Proportional to 444,447, 613,336.86 and 243,243

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Solution

The fourth proportional to 444,447, 613,336.86 and 243,243 is: 335,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,447 : 613,336.86 = 243,243 : x
  2. Step 2: Convert to fraction form
    444,447/613,336.86 = 243,243/x
  3. Step 3: Cross multiply
    444,447x = 613,336.86 × 243,243
  4. Step 4: Simplify right side
    444,447x = 149,189,897,836.98
  5. Step 5: Solve for x
    x = 149,189,897,836.98/444,447
  6. Step 6: Final answer
    x = 335,675.34

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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.