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Finding the Fourth Proportional to 453,732.60, 626,080.88 and 262,709.09

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Solution

The fourth proportional to 453,732.60, 626,080.88 and 262,709.09 is: 362,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,732.60 : 626,080.88 = 262,709.09 : x
  2. Step 2: Convert to fraction form
    453,732.60/626,080.88 = 262,709.09/x
  3. Step 3: Cross multiply
    453,732.60x = 626,080.88 × 262,709.09
  4. Step 4: Simplify right side
    453,732.60x = 164,477,138,251.20
  5. Step 5: Solve for x
    x = 164,477,138,251.20/453,732.60
  6. Step 6: Final answer
    x = 362,497.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.