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Finding the Fourth Proportional to 446,417.44, 616,060.32 and 245,213.44

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Solution

The fourth proportional to 446,417.44, 616,060.32 and 245,213.44 is: 338,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,417.44 : 616,060.32 = 245,213.44 : x
  2. Step 2: Convert to fraction form
    446,417.44/616,060.32 = 245,213.44/x
  3. Step 3: Cross multiply
    446,417.44x = 616,060.32 × 245,213.44
  4. Step 4: Simplify right side
    446,417.44x = 151,066,270,314.70
  5. Step 5: Solve for x
    x = 151,066,270,314.70/446,417.44
  6. Step 6: Final answer
    x = 338,396.88

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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.