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Finding the Fourth Proportional to 394,240.25, 544,148.75 and 224,574.41

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Solution

The fourth proportional to 394,240.25, 544,148.75 and 224,574.41 is: 309,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,240.25 : 544,148.75 = 224,574.41 : x
  2. Step 2: Convert to fraction form
    394,240.25/544,148.75 = 224,574.41/x
  3. Step 3: Cross multiply
    394,240.25x = 544,148.75 × 224,574.41
  4. Step 4: Simplify right side
    394,240.25x = 122,201,884,483.49
  5. Step 5: Solve for x
    x = 122,201,884,483.49/394,240.25
  6. Step 6: Final answer
    x = 309,968.06

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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.