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Finding the Fourth Proportional to 264,058.60, 395,550.30 and 163,911.40

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Solution

The fourth proportional to 264,058.60, 395,550.30 and 163,911.40 is: 245,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,058.60 : 395,550.30 = 163,911.40 : x
  2. Step 2: Convert to fraction form
    264,058.60/395,550.30 = 163,911.40/x
  3. Step 3: Cross multiply
    264,058.60x = 395,550.30 × 163,911.40
  4. Step 4: Simplify right side
    264,058.60x = 64,835,203,443.42
  5. Step 5: Solve for x
    x = 64,835,203,443.42/264,058.60
  6. Step 6: Final answer
    x = 245,533.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.