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Finding the Fourth Proportional to 454,910.40, 682,365.60 and 366,336.90

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Solution

The fourth proportional to 454,910.40, 682,365.60 and 366,336.90 is: 549,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,910.40 : 682,365.60 = 366,336.90 : x
  2. Step 2: Convert to fraction form
    454,910.40/682,365.60 = 366,336.90/x
  3. Step 3: Cross multiply
    454,910.40x = 682,365.60 × 366,336.90
  4. Step 4: Simplify right side
    454,910.40x = 249,975,698,570.64
  5. Step 5: Solve for x
    x = 249,975,698,570.64/454,910.40
  6. Step 6: Final answer
    x = 549,505.35

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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.