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Finding the Fourth Proportional to 315,057.90, 434,652.88 and 182,363.43

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Solution

The fourth proportional to 315,057.90, 434,652.88 and 182,363.43 is: 251,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,057.90 : 434,652.88 = 182,363.43 : x
  2. Step 2: Convert to fraction form
    315,057.90/434,652.88 = 182,363.43/x
  3. Step 3: Cross multiply
    315,057.90x = 434,652.88 × 182,363.43
  4. Step 4: Simplify right side
    315,057.90x = 79,264,790,056.18
  5. Step 5: Solve for x
    x = 79,264,790,056.18/315,057.90
  6. Step 6: Final answer
    x = 251,588.01

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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.