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Finding the Fourth Proportional to 384,069.60, 538,250.40 and 384,069.60

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Solution

The fourth proportional to 384,069.60, 538,250.40 and 384,069.60 is: 538,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,069.60 : 538,250.40 = 384,069.60 : x
  2. Step 2: Convert to fraction form
    384,069.60/538,250.40 = 384,069.60/x
  3. Step 3: Cross multiply
    384,069.60x = 538,250.40 × 384,069.60
  4. Step 4: Simplify right side
    384,069.60x = 206,725,615,827.84
  5. Step 5: Solve for x
    x = 206,725,615,827.84/384,069.60
  6. Step 6: Final answer
    x = 538,250.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.