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Finding the Fourth Proportional to 273,416.75, 377,349.20 and 158,670.76

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Solution

The fourth proportional to 273,416.75, 377,349.20 and 158,670.76 is: 218,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,416.75 : 377,349.20 = 158,670.76 : x
  2. Step 2: Convert to fraction form
    273,416.75/377,349.20 = 158,670.76/x
  3. Step 3: Cross multiply
    273,416.75x = 377,349.20 × 158,670.76
  4. Step 4: Simplify right side
    273,416.75x = 59,874,284,349.39
  5. Step 5: Solve for x
    x = 59,874,284,349.39/273,416.75
  6. Step 6: Final answer
    x = 218,985.43

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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.