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Finding the Fourth Proportional to 544,068.74, 815,996.86 and 517,063.74

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Solution

The fourth proportional to 544,068.74, 815,996.86 and 517,063.74 is: 775,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,068.74 : 815,996.86 = 517,063.74 : x
  2. Step 2: Convert to fraction form
    544,068.74/815,996.86 = 517,063.74/x
  3. Step 3: Cross multiply
    544,068.74x = 815,996.86 × 517,063.74
  4. Step 4: Simplify right side
    544,068.74x = 421,922,388,259.86
  5. Step 5: Solve for x
    x = 421,922,388,259.86/544,068.74
  6. Step 6: Final answer
    x = 775,494.63

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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.