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Finding the Fourth Proportional to 427,031.92, 589,281.04 and 236,033.92

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Solution

The fourth proportional to 427,031.92, 589,281.04 and 236,033.92 is: 325,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,031.92 : 589,281.04 = 236,033.92 : x
  2. Step 2: Convert to fraction form
    427,031.92/589,281.04 = 236,033.92/x
  3. Step 3: Cross multiply
    427,031.92x = 589,281.04 × 236,033.92
  4. Step 4: Simplify right side
    427,031.92x = 139,090,313,852.88
  5. Step 5: Solve for x
    x = 139,090,313,852.88/427,031.92
  6. Step 6: Final answer
    x = 325,714.09

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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.