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Finding the Fourth Proportional to 446,519.40, 616,186.02 and 255,520.56

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Solution

The fourth proportional to 446,519.40, 616,186.02 and 255,520.56 is: 352,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,519.40 : 616,186.02 = 255,520.56 : x
  2. Step 2: Convert to fraction form
    446,519.40/616,186.02 = 255,520.56/x
  3. Step 3: Cross multiply
    446,519.40x = 616,186.02 × 255,520.56
  4. Step 4: Simplify right side
    446,519.40x = 157,448,196,894.57
  5. Step 5: Solve for x
    x = 157,448,196,894.57/446,519.40
  6. Step 6: Final answer
    x = 352,612.22

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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.