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Finding the Fourth Proportional to 427,973.71, 590,596.53 and 236,983

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Solution

The fourth proportional to 427,973.71, 590,596.53 and 236,983 is: 327,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,973.71 : 590,596.53 = 236,983 : x
  2. Step 2: Convert to fraction form
    427,973.71/590,596.53 = 236,983/x
  3. Step 3: Cross multiply
    427,973.71x = 590,596.53 × 236,983
  4. Step 4: Simplify right side
    427,973.71x = 139,961,336,284.08
  5. Step 5: Solve for x
    x = 139,961,336,284.08/427,973.71
  6. Step 6: Final answer
    x = 327,032.56

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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.