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Finding the Fourth Proportional to 593,530.60, 890,295.90 and 172,820.20

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Solution

The fourth proportional to 593,530.60, 890,295.90 and 172,820.20 is: 259,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,530.60 : 890,295.90 = 172,820.20 : x
  2. Step 2: Convert to fraction form
    593,530.60/890,295.90 = 172,820.20/x
  3. Step 3: Cross multiply
    593,530.60x = 890,295.90 × 172,820.20
  4. Step 4: Simplify right side
    593,530.60x = 153,861,115,497.18
  5. Step 5: Solve for x
    x = 153,861,115,497.18/593,530.60
  6. Step 6: Final answer
    x = 259,230.30

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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.