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Finding the Fourth Proportional to 608,638.52, 913,173.90 and 271,648.52

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Solution

The fourth proportional to 608,638.52, 913,173.90 and 271,648.52 is: 407,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,638.52 : 913,173.90 = 271,648.52 : x
  2. Step 2: Convert to fraction form
    608,638.52/913,173.90 = 271,648.52/x
  3. Step 3: Cross multiply
    608,638.52x = 913,173.90 × 271,648.52
  4. Step 4: Simplify right side
    608,638.52x = 248,062,338,437.63
  5. Step 5: Solve for x
    x = 248,062,338,437.63/608,638.52
  6. Step 6: Final answer
    x = 407,569.24

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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.