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Finding the Fourth Proportional to 460,443.94, 635,388 and 253,705.92

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Solution

The fourth proportional to 460,443.94, 635,388 and 253,705.92 is: 350,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,443.94 : 635,388 = 253,705.92 : x
  2. Step 2: Convert to fraction form
    460,443.94/635,388 = 253,705.92/x
  3. Step 3: Cross multiply
    460,443.94x = 635,388 × 253,705.92
  4. Step 4: Simplify right side
    460,443.94x = 161,201,697,096.96
  5. Step 5: Solve for x
    x = 161,201,697,096.96/460,443.94
  6. Step 6: Final answer
    x = 350,100.59

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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.