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Finding the Fourth Proportional to 450,345.52, 675,994.56 and 440,181.28

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Solution

The fourth proportional to 450,345.52, 675,994.56 and 440,181.28 is: 660,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,345.52 : 675,994.56 = 440,181.28 : x
  2. Step 2: Convert to fraction form
    450,345.52/675,994.56 = 440,181.28/x
  3. Step 3: Cross multiply
    450,345.52x = 675,994.56 × 440,181.28
  4. Step 4: Simplify right side
    450,345.52x = 297,560,150,693.84
  5. Step 5: Solve for x
    x = 297,560,150,693.84/450,345.52
  6. Step 6: Final answer
    x = 660,737.45

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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.