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Finding the Fourth Proportional to 593,890.20, 890,835.30 and 173,208.60

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Solution

The fourth proportional to 593,890.20, 890,835.30 and 173,208.60 is: 259,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,890.20 : 890,835.30 = 173,208.60 : x
  2. Step 2: Convert to fraction form
    593,890.20/890,835.30 = 173,208.60/x
  3. Step 3: Cross multiply
    593,890.20x = 890,835.30 × 173,208.60
  4. Step 4: Simplify right side
    593,890.20x = 154,300,335,143.58
  5. Step 5: Solve for x
    x = 154,300,335,143.58/593,890.20
  6. Step 6: Final answer
    x = 259,812.90

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Double scale
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Similar ratio
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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.