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Finding the Fourth Proportional to 305,402.58, 458,133.03 and 94,984.02

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Solution

The fourth proportional to 305,402.58, 458,133.03 and 94,984.02 is: 142,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,402.58 : 458,133.03 = 94,984.02 : x
  2. Step 2: Convert to fraction form
    305,402.58/458,133.03 = 94,984.02/x
  3. Step 3: Cross multiply
    305,402.58x = 458,133.03 × 94,984.02
  4. Step 4: Simplify right side
    305,402.58x = 43,515,316,884.18
  5. Step 5: Solve for x
    x = 43,515,316,884.18/305,402.58
  6. Step 6: Final answer
    x = 142,485.10

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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.