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Finding the Fourth Proportional to 273,288.58, 409,886.28 and 73,564.45

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Solution

The fourth proportional to 273,288.58, 409,886.28 and 73,564.45 is: 110,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,288.58 : 409,886.28 = 73,564.45 : x
  2. Step 2: Convert to fraction form
    273,288.58/409,886.28 = 73,564.45/x
  3. Step 3: Cross multiply
    273,288.58x = 409,886.28 × 73,564.45
  4. Step 4: Simplify right side
    273,288.58x = 30,153,057,726.03
  5. Step 5: Solve for x
    x = 30,153,057,726.03/273,288.58
  6. Step 6: Final answer
    x = 110,334.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.