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Finding the Fourth Proportional to 273,530.34, 377,456.51 and 152,679.42

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Solution

The fourth proportional to 273,530.34, 377,456.51 and 152,679.42 is: 210,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,530.34 : 377,456.51 = 152,679.42 : x
  2. Step 2: Convert to fraction form
    273,530.34/377,456.51 = 152,679.42/x
  3. Step 3: Cross multiply
    273,530.34x = 377,456.51 × 152,679.42
  4. Step 4: Simplify right side
    273,530.34x = 57,629,840,258.63
  5. Step 5: Solve for x
    x = 57,629,840,258.63/273,530.34
  6. Step 6: Final answer
    x = 210,689.02

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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.