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Finding the Fourth Proportional to 446,607.76, 616,346.26 and 255,617.06

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Solution

The fourth proportional to 446,607.76, 616,346.26 and 255,617.06 is: 352,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,607.76 : 616,346.26 = 255,617.06 : x
  2. Step 2: Convert to fraction form
    446,607.76/616,346.26 = 255,617.06/x
  3. Step 3: Cross multiply
    446,607.76x = 616,346.26 × 255,617.06
  4. Step 4: Simplify right side
    446,607.76x = 157,548,618,923.20
  5. Step 5: Solve for x
    x = 157,548,618,923.20/446,607.76
  6. Step 6: Final answer
    x = 352,767.31

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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.