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Finding the Fourth Proportional to 290,337.51, 400,564.58 and 182,917.11

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Solution

The fourth proportional to 290,337.51, 400,564.58 and 182,917.11 is: 252,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,337.51 : 400,564.58 = 182,917.11 : x
  2. Step 2: Convert to fraction form
    290,337.51/400,564.58 = 182,917.11/x
  3. Step 3: Cross multiply
    290,337.51x = 400,564.58 × 182,917.11
  4. Step 4: Simplify right side
    290,337.51x = 73,270,114,427.38
  5. Step 5: Solve for x
    x = 73,270,114,427.38/290,337.51
  6. Step 6: Final answer
    x = 252,361.86

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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.