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Finding the Fourth Proportional to 483,315.60, 666,957.12 and 268,469.52

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Solution

The fourth proportional to 483,315.60, 666,957.12 and 268,469.52 is: 370,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,315.60 : 666,957.12 = 268,469.52 : x
  2. Step 2: Convert to fraction form
    483,315.60/666,957.12 = 268,469.52/x
  3. Step 3: Cross multiply
    483,315.60x = 666,957.12 × 268,469.52
  4. Step 4: Simplify right side
    483,315.60x = 179,057,657,866.98
  5. Step 5: Solve for x
    x = 179,057,657,866.98/483,315.60
  6. Step 6: Final answer
    x = 370,477.71

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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.