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Finding the Fourth Proportional to 273,438.54, 377,344.44 and 152,578.50

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Solution

The fourth proportional to 273,438.54, 377,344.44 and 152,578.50 is: 210,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,438.54 : 377,344.44 = 152,578.50 : x
  2. Step 2: Convert to fraction form
    273,438.54/377,344.44 = 152,578.50/x
  3. Step 3: Cross multiply
    273,438.54x = 377,344.44 × 152,578.50
  4. Step 4: Simplify right side
    273,438.54x = 57,574,648,638.54
  5. Step 5: Solve for x
    x = 57,574,648,638.54/273,438.54
  6. Step 6: Final answer
    x = 210,557.91

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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.