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Finding the Fourth Proportional to 449,324.76, 673,987.14 and 308,656.92

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Solution

The fourth proportional to 449,324.76, 673,987.14 and 308,656.92 is: 462,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,324.76 : 673,987.14 = 308,656.92 : x
  2. Step 2: Convert to fraction form
    449,324.76/673,987.14 = 308,656.92/x
  3. Step 3: Cross multiply
    449,324.76x = 673,987.14 × 308,656.92
  4. Step 4: Simplify right side
    449,324.76x = 208,030,794,752.01
  5. Step 5: Solve for x
    x = 208,030,794,752.01/449,324.76
  6. Step 6: Final answer
    x = 462,985.38

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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.