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Finding the Fourth Proportional to 273,640.17, 377,619.86 and 152,783.51

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Solution

The fourth proportional to 273,640.17, 377,619.86 and 152,783.51 is: 210,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,640.17 : 377,619.86 = 152,783.51 : x
  2. Step 2: Convert to fraction form
    273,640.17/377,619.86 = 152,783.51/x
  3. Step 3: Cross multiply
    273,640.17x = 377,619.86 × 152,783.51
  4. Step 4: Simplify right side
    273,640.17x = 57,694,086,892.59
  5. Step 5: Solve for x
    x = 57,694,086,892.59/273,640.17
  6. Step 6: Final answer
    x = 210,839.25

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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.