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Finding the Fourth Proportional to 576,193.08, 864,289.60 and 155,468.94

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Solution

The fourth proportional to 576,193.08, 864,289.60 and 155,468.94 is: 233,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,193.08 : 864,289.60 = 155,468.94 : x
  2. Step 2: Convert to fraction form
    576,193.08/864,289.60 = 155,468.94/x
  3. Step 3: Cross multiply
    576,193.08x = 864,289.60 × 155,468.94
  4. Step 4: Simplify right side
    576,193.08x = 134,370,187,965.02
  5. Step 5: Solve for x
    x = 134,370,187,965.02/576,193.08
  6. Step 6: Final answer
    x = 233,203.40

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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.