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Finding the Fourth Proportional to 371,293.34, 557,020.89 and 211,444.88

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Solution

The fourth proportional to 371,293.34, 557,020.89 and 211,444.88 is: 317,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,293.34 : 557,020.89 = 211,444.88 : x
  2. Step 2: Convert to fraction form
    371,293.34/557,020.89 = 211,444.88/x
  3. Step 3: Cross multiply
    371,293.34x = 557,020.89 × 211,444.88
  4. Step 4: Simplify right side
    371,293.34x = 117,779,212,458.44
  5. Step 5: Solve for x
    x = 117,779,212,458.44/371,293.34
  6. Step 6: Final answer
    x = 317,213.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.