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Finding the Fourth Proportional to 273,273.18, 407,193.06 and 243,461.94

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Solution

The fourth proportional to 273,273.18, 407,193.06 and 243,461.94 is: 362,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,273.18 : 407,193.06 = 243,461.94 : x
  2. Step 2: Convert to fraction form
    273,273.18/407,193.06 = 243,461.94/x
  3. Step 3: Cross multiply
    273,273.18x = 407,193.06 × 243,461.94
  4. Step 4: Simplify right side
    273,273.18x = 99,136,012,342.14
  5. Step 5: Solve for x
    x = 99,136,012,342.14/273,273.18
  6. Step 6: Final answer
    x = 362,772.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.