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Finding the Fourth Proportional to 302,528.40, 453,857.40 and 92,187.60

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Solution

The fourth proportional to 302,528.40, 453,857.40 and 92,187.60 is: 138,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,528.40 : 453,857.40 = 92,187.60 : x
  2. Step 2: Convert to fraction form
    302,528.40/453,857.40 = 92,187.60/x
  3. Step 3: Cross multiply
    302,528.40x = 453,857.40 × 92,187.60
  4. Step 4: Simplify right side
    302,528.40x = 41,840,024,448.24
  5. Step 5: Solve for x
    x = 41,840,024,448.24/302,528.40
  6. Step 6: Final answer
    x = 138,301.15

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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.