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Finding the Fourth Proportional to 550,455.40, 825,683.10 and 235,527.40

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Solution

The fourth proportional to 550,455.40, 825,683.10 and 235,527.40 is: 353,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,455.40 : 825,683.10 = 235,527.40 : x
  2. Step 2: Convert to fraction form
    550,455.40/825,683.10 = 235,527.40/x
  3. Step 3: Cross multiply
    550,455.40x = 825,683.10 × 235,527.40
  4. Step 4: Simplify right side
    550,455.40x = 194,470,993,766.94
  5. Step 5: Solve for x
    x = 194,470,993,766.94/550,455.40
  6. Step 6: Final answer
    x = 353,291.10

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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.