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Finding the Fourth Proportional to 472,238.77, 651,704.75 and 268,285.98

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Solution

The fourth proportional to 472,238.77, 651,704.75 and 268,285.98 is: 370,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,238.77 : 651,704.75 = 268,285.98 : x
  2. Step 2: Convert to fraction form
    472,238.77/651,704.75 = 268,285.98/x
  3. Step 3: Cross multiply
    472,238.77x = 651,704.75 × 268,285.98
  4. Step 4: Simplify right side
    472,238.77x = 174,843,244,265.88
  5. Step 5: Solve for x
    x = 174,843,244,265.88/472,238.77
  6. Step 6: Final answer
    x = 370,243.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.