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Finding the Fourth Proportional to 304,044.40, 455,548.20 and 251,167.60

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Solution

The fourth proportional to 304,044.40, 455,548.20 and 251,167.60 is: 376,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,044.40 : 455,548.20 = 251,167.60 : x
  2. Step 2: Convert to fraction form
    304,044.40/455,548.20 = 251,167.60/x
  3. Step 3: Cross multiply
    304,044.40x = 455,548.20 × 251,167.60
  4. Step 4: Simplify right side
    304,044.40x = 114,418,948,078.32
  5. Step 5: Solve for x
    x = 114,418,948,078.32/304,044.40
  6. Step 6: Final answer
    x = 376,323.16

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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.