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Finding the Fourth Proportional to 262,618.53, 362,408.61 and 160,636.49

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Solution

The fourth proportional to 262,618.53, 362,408.61 and 160,636.49 is: 221,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,618.53 : 362,408.61 = 160,636.49 : x
  2. Step 2: Convert to fraction form
    262,618.53/362,408.61 = 160,636.49/x
  3. Step 3: Cross multiply
    262,618.53x = 362,408.61 × 160,636.49
  4. Step 4: Simplify right side
    262,618.53x = 58,216,047,056.18
  5. Step 5: Solve for x
    x = 58,216,047,056.18/262,618.53
  6. Step 6: Final answer
    x = 221,675.32

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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.