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Finding the Fourth Proportional to 450,798.64, 676,042.28 and 130,863.77

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Solution

The fourth proportional to 450,798.64, 676,042.28 and 130,863.77 is: 196,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,798.64 : 676,042.28 = 130,863.77 : x
  2. Step 2: Convert to fraction form
    450,798.64/676,042.28 = 130,863.77/x
  3. Step 3: Cross multiply
    450,798.64x = 676,042.28 × 130,863.77
  4. Step 4: Simplify right side
    450,798.64x = 88,469,443,457.46
  5. Step 5: Solve for x
    x = 88,469,443,457.46/450,798.64
  6. Step 6: Final answer
    x = 196,250.47

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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.