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Finding the Fourth Proportional to 441,048.30, 661,572.45 and 301,080.30

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Solution

The fourth proportional to 441,048.30, 661,572.45 and 301,080.30 is: 451,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,048.30 : 661,572.45 = 301,080.30 : x
  2. Step 2: Convert to fraction form
    441,048.30/661,572.45 = 301,080.30/x
  3. Step 3: Cross multiply
    441,048.30x = 661,572.45 × 301,080.30
  4. Step 4: Simplify right side
    441,048.30x = 199,186,431,717.74
  5. Step 5: Solve for x
    x = 199,186,431,717.74/441,048.30
  6. Step 6: Final answer
    x = 451,620.45

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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.