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Finding the Fourth Proportional to 364,044.70, 546,067.05 and 325,990.90

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Solution

The fourth proportional to 364,044.70, 546,067.05 and 325,990.90 is: 488,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,044.70 : 546,067.05 = 325,990.90 : x
  2. Step 2: Convert to fraction form
    364,044.70/546,067.05 = 325,990.90/x
  3. Step 3: Cross multiply
    364,044.70x = 546,067.05 × 325,990.90
  4. Step 4: Simplify right side
    364,044.70x = 178,012,889,089.85
  5. Step 5: Solve for x
    x = 178,012,889,089.85/364,044.70
  6. Step 6: Final answer
    x = 488,986.35

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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.