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Finding the Fourth Proportional to 365,512.40, 548,268.60 and 307,775.60

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Solution

The fourth proportional to 365,512.40, 548,268.60 and 307,775.60 is: 461,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,512.40 : 548,268.60 = 307,775.60 : x
  2. Step 2: Convert to fraction form
    365,512.40/548,268.60 = 307,775.60/x
  3. Step 3: Cross multiply
    365,512.40x = 548,268.60 × 307,775.60
  4. Step 4: Simplify right side
    365,512.40x = 168,743,697,326.16
  5. Step 5: Solve for x
    x = 168,743,697,326.16/365,512.40
  6. Step 6: Final answer
    x = 461,663.40

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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.