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Finding the Fourth Proportional to 282,636.64, 423,957.36 and 82,960.32

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Solution

The fourth proportional to 282,636.64, 423,957.36 and 82,960.32 is: 124,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,636.64 : 423,957.36 = 82,960.32 : x
  2. Step 2: Convert to fraction form
    282,636.64/423,957.36 = 82,960.32/x
  3. Step 3: Cross multiply
    282,636.64x = 423,957.36 × 82,960.32
  4. Step 4: Simplify right side
    282,636.64x = 35,171,638,251.96
  5. Step 5: Solve for x
    x = 35,171,638,251.96/282,636.64
  6. Step 6: Final answer
    x = 124,441.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.