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Finding the Fourth Proportional to 273,487.78, 377,397.39 and 152,619.58

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Solution

The fourth proportional to 273,487.78, 377,397.39 and 152,619.58 is: 210,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,487.78 : 377,397.39 = 152,619.58 : x
  2. Step 2: Convert to fraction form
    273,487.78/377,397.39 = 152,619.58/x
  3. Step 3: Cross multiply
    273,487.78x = 377,397.39 × 152,619.58
  4. Step 4: Simplify right side
    273,487.78x = 57,598,231,154.90
  5. Step 5: Solve for x
    x = 57,598,231,154.90/273,487.78
  6. Step 6: Final answer
    x = 210,606.23

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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.