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Finding the Fourth Proportional to 446,571.04, 616,181.16 and 285,302.20

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Solution

The fourth proportional to 446,571.04, 616,181.16 and 285,302.20 is: 393,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,571.04 : 616,181.16 = 285,302.20 : x
  2. Step 2: Convert to fraction form
    446,571.04/616,181.16 = 285,302.20/x
  3. Step 3: Cross multiply
    446,571.04x = 616,181.16 × 285,302.20
  4. Step 4: Simplify right side
    446,571.04x = 175,797,840,546.55
  5. Step 5: Solve for x
    x = 175,797,840,546.55/446,571.04
  6. Step 6: Final answer
    x = 393,661.53

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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.