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Finding the Fourth Proportional to 427,355.33, 589,710.69 and 236,364.62

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Solution

The fourth proportional to 427,355.33, 589,710.69 and 236,364.62 is: 326,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,355.33 : 589,710.69 = 236,364.62 : x
  2. Step 2: Convert to fraction form
    427,355.33/589,710.69 = 236,364.62/x
  3. Step 3: Cross multiply
    427,355.33x = 589,710.69 × 236,364.62
  4. Step 4: Simplify right side
    427,355.33x = 139,386,740,203.23
  5. Step 5: Solve for x
    x = 139,386,740,203.23/427,355.33
  6. Step 6: Final answer
    x = 326,161.23

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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.