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Finding the Fourth Proportional to 468,529.40, 646,562.74 and 253,667.72

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Solution

The fourth proportional to 468,529.40, 646,562.74 and 253,667.72 is: 350,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,529.40 : 646,562.74 = 253,667.72 : x
  2. Step 2: Convert to fraction form
    468,529.40/646,562.74 = 253,667.72/x
  3. Step 3: Cross multiply
    468,529.40x = 646,562.74 × 253,667.72
  4. Step 4: Simplify right side
    468,529.40x = 164,012,096,092.75
  5. Step 5: Solve for x
    x = 164,012,096,092.75/468,529.40
  6. Step 6: Final answer
    x = 350,057.21

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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.