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Finding the Fourth Proportional to 302,518.73, 453,734.15 and 89,276.24

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Solution

The fourth proportional to 302,518.73, 453,734.15 and 89,276.24 is: 133,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,518.73 : 453,734.15 = 89,276.24 : x
  2. Step 2: Convert to fraction form
    302,518.73/453,734.15 = 89,276.24/x
  3. Step 3: Cross multiply
    302,518.73x = 453,734.15 × 89,276.24
  4. Step 4: Simplify right side
    302,518.73x = 40,507,679,559.55
  5. Step 5: Solve for x
    x = 40,507,679,559.55/302,518.73
  6. Step 6: Final answer
    x = 133,901.39

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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.