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Finding the Fourth Proportional to 637,323.21, 955,986.63 and 258,250.50

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Solution

The fourth proportional to 637,323.21, 955,986.63 and 258,250.50 is: 387,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,323.21 : 955,986.63 = 258,250.50 : x
  2. Step 2: Convert to fraction form
    637,323.21/955,986.63 = 258,250.50/x
  3. Step 3: Cross multiply
    637,323.21x = 955,986.63 × 258,250.50
  4. Step 4: Simplify right side
    637,323.21x = 246,884,025,190.82
  5. Step 5: Solve for x
    x = 246,884,025,190.82/637,323.21
  6. Step 6: Final answer
    x = 387,376.49

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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.