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Finding the Fourth Proportional to 446,336.64, 615,945.60 and 245,145.60

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Solution

The fourth proportional to 446,336.64, 615,945.60 and 245,145.60 is: 338,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,336.64 : 615,945.60 = 245,145.60 : x
  2. Step 2: Convert to fraction form
    446,336.64/615,945.60 = 245,145.60/x
  3. Step 3: Cross multiply
    446,336.64x = 615,945.60 × 245,145.60
  4. Step 4: Simplify right side
    446,336.64x = 150,996,353,679.36
  5. Step 5: Solve for x
    x = 150,996,353,679.36/446,336.64
  6. Step 6: Final answer
    x = 338,301.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.