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Finding the Fourth Proportional to 450,396.57, 675,602.69 and 165,940.70

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Solution

The fourth proportional to 450,396.57, 675,602.69 and 165,940.70 is: 248,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,396.57 : 675,602.69 = 165,940.70 : x
  2. Step 2: Convert to fraction form
    450,396.57/675,602.69 = 165,940.70/x
  3. Step 3: Cross multiply
    450,396.57x = 675,602.69 × 165,940.70
  4. Step 4: Simplify right side
    450,396.57x = 112,109,984,159.79
  5. Step 5: Solve for x
    x = 112,109,984,159.79/450,396.57
  6. Step 6: Final answer
    x = 248,913.94

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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.