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Finding the Fourth Proportional to 351,422.60, 527,004.30 and 173,870.60

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Solution

The fourth proportional to 351,422.60, 527,004.30 and 173,870.60 is: 260,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,422.60 : 527,004.30 = 173,870.60 : x
  2. Step 2: Convert to fraction form
    351,422.60/527,004.30 = 173,870.60/x
  3. Step 3: Cross multiply
    351,422.60x = 527,004.30 × 173,870.60
  4. Step 4: Simplify right side
    351,422.60x = 91,630,553,843.58
  5. Step 5: Solve for x
    x = 91,630,553,843.58/351,422.60
  6. Step 6: Final answer
    x = 260,741.78

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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.