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Finding the Fourth Proportional to 570,924.40, 856,386.60 and 171,626.80

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Solution

The fourth proportional to 570,924.40, 856,386.60 and 171,626.80 is: 257,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,924.40 : 856,386.60 = 171,626.80 : x
  2. Step 2: Convert to fraction form
    570,924.40/856,386.60 = 171,626.80/x
  3. Step 3: Cross multiply
    570,924.40x = 856,386.60 × 171,626.80
  4. Step 4: Simplify right side
    570,924.40x = 146,978,891,720.88
  5. Step 5: Solve for x
    x = 146,978,891,720.88/570,924.40
  6. Step 6: Final answer
    x = 257,440.20

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Similar ratio
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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.