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Finding the Fourth Proportional to 546,067.40, 819,101.10 and 488,330.60

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Solution

The fourth proportional to 546,067.40, 819,101.10 and 488,330.60 is: 732,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,067.40 : 819,101.10 = 488,330.60 : x
  2. Step 2: Convert to fraction form
    546,067.40/819,101.10 = 488,330.60/x
  3. Step 3: Cross multiply
    546,067.40x = 819,101.10 × 488,330.60
  4. Step 4: Simplify right side
    546,067.40x = 399,992,131,623.66
  5. Step 5: Solve for x
    x = 399,992,131,623.66/546,067.40
  6. Step 6: Final answer
    x = 732,495.90

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Double scale
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Similar ratio
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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.