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Finding the Fourth Proportional to 273,618, 377,592.84 and 154,386

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Solution

The fourth proportional to 273,618, 377,592.84 and 154,386 is: 213,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,618 : 377,592.84 = 154,386 : x
  2. Step 2: Convert to fraction form
    273,618/377,592.84 = 154,386/x
  3. Step 3: Cross multiply
    273,618x = 377,592.84 × 154,386
  4. Step 4: Simplify right side
    273,618x = 58,295,048,196.24
  5. Step 5: Solve for x
    x = 58,295,048,196.24/273,618
  6. Step 6: Final answer
    x = 213,052.68

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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.