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Finding the Fourth Proportional to 403,461.60, 605,192.40 and 226,514.40

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Solution

The fourth proportional to 403,461.60, 605,192.40 and 226,514.40 is: 339,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,461.60 : 605,192.40 = 226,514.40 : x
  2. Step 2: Convert to fraction form
    403,461.60/605,192.40 = 226,514.40/x
  3. Step 3: Cross multiply
    403,461.60x = 605,192.40 × 226,514.40
  4. Step 4: Simplify right side
    403,461.60x = 137,084,793,370.56
  5. Step 5: Solve for x
    x = 137,084,793,370.56/403,461.60
  6. Step 6: Final answer
    x = 339,771.60

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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.