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Finding the Fourth Proportional to 501,184.40, 751,630.80 and 276,652.40

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Solution

The fourth proportional to 501,184.40, 751,630.80 and 276,652.40 is: 414,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,184.40 : 751,630.80 = 276,652.40 : x
  2. Step 2: Convert to fraction form
    501,184.40/751,630.80 = 276,652.40/x
  3. Step 3: Cross multiply
    501,184.40x = 751,630.80 × 276,652.40
  4. Step 4: Simplify right side
    501,184.40x = 207,940,464,733.92
  5. Step 5: Solve for x
    x = 207,940,464,733.92/501,184.40
  6. Step 6: Final answer
    x = 414,898.12

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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.