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Finding the Fourth Proportional to 281,574.33, 388,600.44 and 160,733.77

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Solution

The fourth proportional to 281,574.33, 388,600.44 and 160,733.77 is: 221,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,574.33 : 388,600.44 = 160,733.77 : x
  2. Step 2: Convert to fraction form
    281,574.33/388,600.44 = 160,733.77/x
  3. Step 3: Cross multiply
    281,574.33x = 388,600.44 × 160,733.77
  4. Step 4: Simplify right side
    281,574.33x = 62,461,212,170.61
  5. Step 5: Solve for x
    x = 62,461,212,170.61/281,574.33
  6. Step 6: Final answer
    x = 221,828.51

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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.