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Finding the Fourth Proportional to 273,643.38, 377,690.85 and 160,502.58

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Solution

The fourth proportional to 273,643.38, 377,690.85 and 160,502.58 is: 221,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,643.38 : 377,690.85 = 160,502.58 : x
  2. Step 2: Convert to fraction form
    273,643.38/377,690.85 = 160,502.58/x
  3. Step 3: Cross multiply
    273,643.38x = 377,690.85 × 160,502.58
  4. Step 4: Simplify right side
    273,643.38x = 60,620,355,867.39
  5. Step 5: Solve for x
    x = 60,620,355,867.39/273,643.38
  6. Step 6: Final answer
    x = 221,530.50

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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.