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Finding the Fourth Proportional to 346,016.89, 518,840.34 and 177,468.45

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Solution

The fourth proportional to 346,016.89, 518,840.34 and 177,468.45 is: 266,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,016.89 : 518,840.34 = 177,468.45 : x
  2. Step 2: Convert to fraction form
    346,016.89/518,840.34 = 177,468.45/x
  3. Step 3: Cross multiply
    346,016.89x = 518,840.34 × 177,468.45
  4. Step 4: Simplify right side
    346,016.89x = 92,077,790,937.27
  5. Step 5: Solve for x
    x = 92,077,790,937.27/346,016.89
  6. Step 6: Final answer
    x = 266,107.79

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1.5x scale

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.