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Finding the Fourth Proportional to 273,866.76, 377,933.54 and 153,028.86

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Solution

The fourth proportional to 273,866.76, 377,933.54 and 153,028.86 is: 211,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,866.76 : 377,933.54 = 153,028.86 : x
  2. Step 2: Convert to fraction form
    273,866.76/377,933.54 = 153,028.86/x
  3. Step 3: Cross multiply
    273,866.76x = 377,933.54 × 153,028.86
  4. Step 4: Simplify right side
    273,866.76x = 57,834,738,781.96
  5. Step 5: Solve for x
    x = 57,834,738,781.96/273,866.76
  6. Step 6: Final answer
    x = 211,178.38

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1.5x scale

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.