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Finding the Fourth Proportional to 290,291.32, 400,601.73 and 162,967.15

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Solution

The fourth proportional to 290,291.32, 400,601.73 and 162,967.15 is: 224,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,291.32 : 400,601.73 = 162,967.15 : x
  2. Step 2: Convert to fraction form
    290,291.32/400,601.73 = 162,967.15/x
  3. Step 3: Cross multiply
    290,291.32x = 400,601.73 × 162,967.15
  4. Step 4: Simplify right side
    290,291.32x = 65,284,922,223.17
  5. Step 5: Solve for x
    x = 65,284,922,223.17/290,291.32
  6. Step 6: Final answer
    x = 224,894.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.