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Finding the Fourth Proportional to 431,761.19, 595,802.32 and 238,157.21

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Solution

The fourth proportional to 431,761.19, 595,802.32 and 238,157.21 is: 328,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,761.19 : 595,802.32 = 238,157.21 : x
  2. Step 2: Convert to fraction form
    431,761.19/595,802.32 = 238,157.21/x
  3. Step 3: Cross multiply
    431,761.19x = 595,802.32 × 238,157.21
  4. Step 4: Simplify right side
    431,761.19x = 141,894,619,136.84
  5. Step 5: Solve for x
    x = 141,894,619,136.84/431,761.19
  6. Step 6: Final answer
    x = 328,641.44

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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.