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Finding the Fourth Proportional to 485,898.64, 670,541.14 and 271,033.16

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Solution

The fourth proportional to 485,898.64, 670,541.14 and 271,033.16 is: 374,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,898.64 : 670,541.14 = 271,033.16 : x
  2. Step 2: Convert to fraction form
    485,898.64/670,541.14 = 271,033.16/x
  3. Step 3: Cross multiply
    485,898.64x = 670,541.14 × 271,033.16
  4. Step 4: Simplify right side
    485,898.64x = 181,738,884,084.20
  5. Step 5: Solve for x
    x = 181,738,884,084.20/485,898.64
  6. Step 6: Final answer
    x = 374,026.33

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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.