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Finding the Fourth Proportional to 473,217.16, 653,043.06 and 258,361.48

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Solution

The fourth proportional to 473,217.16, 653,043.06 and 258,361.48 is: 356,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,217.16 : 653,043.06 = 258,361.48 : x
  2. Step 2: Convert to fraction form
    473,217.16/653,043.06 = 258,361.48/x
  3. Step 3: Cross multiply
    473,217.16x = 653,043.06 × 258,361.48
  4. Step 4: Simplify right side
    473,217.16x = 168,721,171,485.33
  5. Step 5: Solve for x
    x = 168,721,171,485.33/473,217.16
  6. Step 6: Final answer
    x = 356,540.69

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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.