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Finding the Fourth Proportional to 304,272.40, 456,408.60 and 302,522.80

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Solution

The fourth proportional to 304,272.40, 456,408.60 and 302,522.80 is: 453,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,272.40 : 456,408.60 = 302,522.80 : x
  2. Step 2: Convert to fraction form
    304,272.40/456,408.60 = 302,522.80/x
  3. Step 3: Cross multiply
    304,272.40x = 456,408.60 × 302,522.80
  4. Step 4: Simplify right side
    304,272.40x = 138,074,007,616.08
  5. Step 5: Solve for x
    x = 138,074,007,616.08/304,272.40
  6. Step 6: Final answer
    x = 453,784.20

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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.