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Finding the Fourth Proportional to 483,338.80, 725,008.20 and 469,514.80

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Solution

The fourth proportional to 483,338.80, 725,008.20 and 469,514.80 is: 704,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,338.80 : 725,008.20 = 469,514.80 : x
  2. Step 2: Convert to fraction form
    483,338.80/725,008.20 = 469,514.80/x
  3. Step 3: Cross multiply
    483,338.80x = 725,008.20 × 469,514.80
  4. Step 4: Simplify right side
    483,338.80x = 340,402,080,021.36
  5. Step 5: Solve for x
    x = 340,402,080,021.36/483,338.80
  6. Step 6: Final answer
    x = 704,272.20

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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.