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Finding the Fourth Proportional to 304,326.10, 456,489.15 and 299,077.30

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Solution

The fourth proportional to 304,326.10, 456,489.15 and 299,077.30 is: 448,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,326.10 : 456,489.15 = 299,077.30 : x
  2. Step 2: Convert to fraction form
    304,326.10/456,489.15 = 299,077.30/x
  3. Step 3: Cross multiply
    304,326.10x = 456,489.15 × 299,077.30
  4. Step 4: Simplify right side
    304,326.10x = 136,525,542,461.30
  5. Step 5: Solve for x
    x = 136,525,542,461.30/304,326.10
  6. Step 6: Final answer
    x = 448,615.95

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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.