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Finding the Fourth Proportional to 536,494.40, 803,575.20 and 325,764.80

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Solution

The fourth proportional to 536,494.40, 803,575.20 and 325,764.80 is: 487,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,494.40 : 803,575.20 = 325,764.80 : x
  2. Step 2: Convert to fraction form
    536,494.40/803,575.20 = 325,764.80/x
  3. Step 3: Cross multiply
    536,494.40x = 803,575.20 × 325,764.80
  4. Step 4: Simplify right side
    536,494.40x = 261,776,514,312.96
  5. Step 5: Solve for x
    x = 261,776,514,312.96/536,494.40
  6. Step 6: Final answer
    x = 487,938.95

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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.