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Finding the Fourth Proportional to 525,493.27, 788,240.36 and 376,025.49

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Solution

The fourth proportional to 525,493.27, 788,240.36 and 376,025.49 is: 564,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,493.27 : 788,240.36 = 376,025.49 : x
  2. Step 2: Convert to fraction form
    525,493.27/788,240.36 = 376,025.49/x
  3. Step 3: Cross multiply
    525,493.27x = 788,240.36 × 376,025.49
  4. Step 4: Simplify right side
    525,493.27x = 296,398,468,546.84
  5. Step 5: Solve for x
    x = 296,398,468,546.84/525,493.27
  6. Step 6: Final answer
    x = 564,038.56

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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.