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Finding the Fourth Proportional to 427,451.22, 589,900.05 and 236,461.32

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Solution

The fourth proportional to 427,451.22, 589,900.05 and 236,461.32 is: 326,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,451.22 : 589,900.05 = 236,461.32 : x
  2. Step 2: Convert to fraction form
    427,451.22/589,900.05 = 236,461.32/x
  3. Step 3: Cross multiply
    427,451.22x = 589,900.05 × 236,461.32
  4. Step 4: Simplify right side
    427,451.22x = 139,488,544,491.07
  5. Step 5: Solve for x
    x = 139,488,544,491.07/427,451.22
  6. Step 6: Final answer
    x = 326,326.23

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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.