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Finding the Fourth Proportional to 541,068.19, 810,825.90 and 303,911.74

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Solution

The fourth proportional to 541,068.19, 810,825.90 and 303,911.74 is: 455,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,068.19 : 810,825.90 = 303,911.74 : x
  2. Step 2: Convert to fraction form
    541,068.19/810,825.90 = 303,911.74/x
  3. Step 3: Cross multiply
    541,068.19x = 810,825.90 × 303,911.74
  4. Step 4: Simplify right side
    541,068.19x = 246,419,510,106.07
  5. Step 5: Solve for x
    x = 246,419,510,106.07/541,068.19
  6. Step 6: Final answer
    x = 455,431.52

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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.