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Finding the Fourth Proportional to 394,396.44, 544,378.59 and 233,307.51

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Solution

The fourth proportional to 394,396.44, 544,378.59 and 233,307.51 is: 322,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,396.44 : 544,378.59 = 233,307.51 : x
  2. Step 2: Convert to fraction form
    394,396.44/544,378.59 = 233,307.51/x
  3. Step 3: Cross multiply
    394,396.44x = 544,378.59 × 233,307.51
  4. Step 4: Simplify right side
    394,396.44x = 127,007,613,330.21
  5. Step 5: Solve for x
    x = 127,007,613,330.21/394,396.44
  6. Step 6: Final answer
    x = 322,030.32

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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.