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Finding the Fourth Proportional to 273,494, 377,434.68 and 154,262

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Solution

The fourth proportional to 273,494, 377,434.68 and 154,262 is: 212,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,494 : 377,434.68 = 154,262 : x
  2. Step 2: Convert to fraction form
    273,494/377,434.68 = 154,262/x
  3. Step 3: Cross multiply
    273,494x = 377,434.68 × 154,262
  4. Step 4: Simplify right side
    273,494x = 58,223,828,606.16
  5. Step 5: Solve for x
    x = 58,223,828,606.16/273,494
  6. Step 6: Final answer
    x = 212,888.87

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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.