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Finding the Fourth Proportional to 501,454.20, 751,474.02 and 276,915.72

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Solution

The fourth proportional to 501,454.20, 751,474.02 and 276,915.72 is: 414,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,454.20 : 751,474.02 = 276,915.72 : x
  2. Step 2: Convert to fraction form
    501,454.20/751,474.02 = 276,915.72/x
  3. Step 3: Cross multiply
    501,454.20x = 751,474.02 × 276,915.72
  4. Step 4: Simplify right side
    501,454.20x = 208,094,969,309.59
  5. Step 5: Solve for x
    x = 208,094,969,309.59/501,454.20
  6. Step 6: Final answer
    x = 414,983.00

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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.