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Finding the Fourth Proportional to 450,284.70, 674,539.45 and 366,139.88

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Solution

The fourth proportional to 450,284.70, 674,539.45 and 366,139.88 is: 548,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,284.70 : 674,539.45 = 366,139.88 : x
  2. Step 2: Convert to fraction form
    450,284.70/674,539.45 = 366,139.88/x
  3. Step 3: Cross multiply
    450,284.70x = 674,539.45 × 366,139.88
  4. Step 4: Simplify right side
    450,284.70x = 246,975,791,519.74
  5. Step 5: Solve for x
    x = 246,975,791,519.74/450,284.70
  6. Step 6: Final answer
    x = 548,488.08

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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.