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Finding the Fourth Proportional to 457,018.27, 685,520.07 and 124,594.27

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Solution

The fourth proportional to 457,018.27, 685,520.07 and 124,594.27 is: 186,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,018.27 : 685,520.07 = 124,594.27 : x
  2. Step 2: Convert to fraction form
    457,018.27/685,520.07 = 124,594.27/x
  3. Step 3: Cross multiply
    457,018.27x = 685,520.07 × 124,594.27
  4. Step 4: Simplify right side
    457,018.27x = 85,411,872,692.00
  5. Step 5: Solve for x
    x = 85,411,872,692.00/457,018.27
  6. Step 6: Final answer
    x = 186,889.41

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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.