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Finding the Fourth Proportional to 323,438.04, 446,041.76 and 255,617.04

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Solution

The fourth proportional to 323,438.04, 446,041.76 and 255,617.04 is: 352,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,438.04 : 446,041.76 = 255,617.04 : x
  2. Step 2: Convert to fraction form
    323,438.04/446,041.76 = 255,617.04/x
  3. Step 3: Cross multiply
    323,438.04x = 446,041.76 × 255,617.04
  4. Step 4: Simplify right side
    323,438.04x = 114,015,873,129.51
  5. Step 5: Solve for x
    x = 114,015,873,129.51/323,438.04
  6. Step 6: Final answer
    x = 352,512.26

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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.