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Finding the Fourth Proportional to 273,635.39, 377,613.16 and 152,778.53

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Solution

The fourth proportional to 273,635.39, 377,613.16 and 152,778.53 is: 210,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,635.39 : 377,613.16 = 152,778.53 : x
  2. Step 2: Convert to fraction form
    273,635.39/377,613.16 = 152,778.53/x
  3. Step 3: Cross multiply
    273,635.39x = 377,613.16 × 152,778.53
  4. Step 4: Simplify right side
    273,635.39x = 57,691,183,493.45
  5. Step 5: Solve for x
    x = 57,691,183,493.45/273,635.39
  6. Step 6: Final answer
    x = 210,832.32

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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.