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Finding the Fourth Proportional to 273,276.60, 409,868.37 and 73,552.47

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Solution

The fourth proportional to 273,276.60, 409,868.37 and 73,552.47 is: 110,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,276.60 : 409,868.37 = 73,552.47 : x
  2. Step 2: Convert to fraction form
    273,276.60/409,868.37 = 73,552.47/x
  3. Step 3: Cross multiply
    273,276.60x = 409,868.37 × 73,552.47
  4. Step 4: Simplify right side
    273,276.60x = 30,146,830,988.37
  5. Step 5: Solve for x
    x = 30,146,830,988.37/273,276.60
  6. Step 6: Final answer
    x = 110,316.18

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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.