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Finding the Fourth Proportional to 262,436.19, 362,037.21 and 154,934.21

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Solution

The fourth proportional to 262,436.19, 362,037.21 and 154,934.21 is: 213,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,436.19 : 362,037.21 = 154,934.21 : x
  2. Step 2: Convert to fraction form
    262,436.19/362,037.21 = 154,934.21/x
  3. Step 3: Cross multiply
    262,436.19x = 362,037.21 × 154,934.21
  4. Step 4: Simplify right side
    262,436.19x = 56,091,949,121.95
  5. Step 5: Solve for x
    x = 56,091,949,121.95/262,436.19
  6. Step 6: Final answer
    x = 213,735.57

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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.