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Finding the Fourth Proportional to 427,041.52, 589,291.68 and 236,043.52

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Solution

The fourth proportional to 427,041.52, 589,291.68 and 236,043.52 is: 325,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,041.52 : 589,291.68 = 236,043.52 : x
  2. Step 2: Convert to fraction form
    427,041.52/589,291.68 = 236,043.52/x
  3. Step 3: Cross multiply
    427,041.52x = 589,291.68 × 236,043.52
  4. Step 4: Simplify right side
    427,041.52x = 139,098,482,453.91
  5. Step 5: Solve for x
    x = 139,098,482,453.91/427,041.52
  6. Step 6: Final answer
    x = 325,725.90

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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.