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Finding the Fourth Proportional to 375,735.98, 518,551.56 and 214,615.10

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Solution

The fourth proportional to 375,735.98, 518,551.56 and 214,615.10 is: 296,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,735.98 : 518,551.56 = 214,615.10 : x
  2. Step 2: Convert to fraction form
    375,735.98/518,551.56 = 214,615.10/x
  3. Step 3: Cross multiply
    375,735.98x = 518,551.56 × 214,615.10
  4. Step 4: Simplify right side
    375,735.98x = 111,288,994,904.56
  5. Step 5: Solve for x
    x = 111,288,994,904.56/375,735.98
  6. Step 6: Final answer
    x = 296,189.35

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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.