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Finding the Fourth Proportional to 325,330.56, 487,798.08 and 135,561.60

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Solution

The fourth proportional to 325,330.56, 487,798.08 and 135,561.60 is: 203,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,330.56 : 487,798.08 = 135,561.60 : x
  2. Step 2: Convert to fraction form
    325,330.56/487,798.08 = 135,561.60/x
  3. Step 3: Cross multiply
    325,330.56x = 487,798.08 × 135,561.60
  4. Step 4: Simplify right side
    325,330.56x = 66,126,688,201.73
  5. Step 5: Solve for x
    x = 66,126,688,201.73/325,330.56
  6. Step 6: Final answer
    x = 203,260.00

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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.