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Finding the Fourth Proportional to 273,496, 377,437.44 and 154,264

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Solution

The fourth proportional to 273,496, 377,437.44 and 154,264 is: 212,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,496 : 377,437.44 = 154,264 : x
  2. Step 2: Convert to fraction form
    273,496/377,437.44 = 154,264/x
  3. Step 3: Cross multiply
    273,496x = 377,437.44 × 154,264
  4. Step 4: Simplify right side
    273,496x = 58,225,009,244.16
  5. Step 5: Solve for x
    x = 58,225,009,244.16/273,496
  6. Step 6: Final answer
    x = 212,891.63

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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.