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Finding the Fourth Proportional to 273,325.68, 377,192.28 and 152,478

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Solution

The fourth proportional to 273,325.68, 377,192.28 and 152,478 is: 210,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,325.68 : 377,192.28 = 152,478 : x
  2. Step 2: Convert to fraction form
    273,325.68/377,192.28 = 152,478/x
  3. Step 3: Cross multiply
    273,325.68x = 377,192.28 × 152,478
  4. Step 4: Simplify right side
    273,325.68x = 57,513,524,469.84
  5. Step 5: Solve for x
    x = 57,513,524,469.84/273,325.68
  6. Step 6: Final answer
    x = 210,421.23

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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.