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Finding the Fourth Proportional to 273,485, 377,428.23 and 152,649.80

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Solution

The fourth proportional to 273,485, 377,428.23 and 152,649.80 is: 210,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,485 : 377,428.23 = 152,649.80 : x
  2. Step 2: Convert to fraction form
    273,485/377,428.23 = 152,649.80/x
  3. Step 3: Cross multiply
    273,485x = 377,428.23 × 152,649.80
  4. Step 4: Simplify right side
    273,485x = 57,614,343,823.85
  5. Step 5: Solve for x
    x = 57,614,343,823.85/273,485
  6. Step 6: Final answer
    x = 210,667.29

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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.