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Finding the Fourth Proportional to 281,216.89, 388,260.37 and 250,950.16

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Solution

The fourth proportional to 281,216.89, 388,260.37 and 250,950.16 is: 346,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,216.89 : 388,260.37 = 250,950.16 : x
  2. Step 2: Convert to fraction form
    281,216.89/388,260.37 = 250,950.16/x
  3. Step 3: Cross multiply
    281,216.89x = 388,260.37 × 250,950.16
  4. Step 4: Simplify right side
    281,216.89x = 97,434,001,973.16
  5. Step 5: Solve for x
    x = 97,434,001,973.16/281,216.89
  6. Step 6: Final answer
    x = 346,472.80

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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.