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Finding the Fourth Proportional to 450,166.46, 674,499.93 and 316,766.42

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Solution

The fourth proportional to 450,166.46, 674,499.93 and 316,766.42 is: 474,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,166.46 : 674,499.93 = 316,766.42 : x
  2. Step 2: Convert to fraction form
    450,166.46/674,499.93 = 316,766.42/x
  3. Step 3: Cross multiply
    450,166.46x = 674,499.93 × 316,766.42
  4. Step 4: Simplify right side
    450,166.46x = 213,658,924,743.85
  5. Step 5: Solve for x
    x = 213,658,924,743.85/450,166.46
  6. Step 6: Final answer
    x = 474,622.05

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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.