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Finding the Fourth Proportional to 427,453.22, 589,902.81 and 236,463.32

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Solution

The fourth proportional to 427,453.22, 589,902.81 and 236,463.32 is: 326,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,453.22 : 589,902.81 = 236,463.32 : x
  2. Step 2: Convert to fraction form
    427,453.22/589,902.81 = 236,463.32/x
  3. Step 3: Cross multiply
    427,453.22x = 589,902.81 × 236,463.32
  4. Step 4: Simplify right side
    427,453.22x = 139,490,376,929.93
  5. Step 5: Solve for x
    x = 139,490,376,929.93/427,453.22
  6. Step 6: Final answer
    x = 326,328.99

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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.