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Finding the Fourth Proportional to 424,882.63, 637,090.95 and 168,455.41

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Solution

The fourth proportional to 424,882.63, 637,090.95 and 168,455.41 is: 252,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,882.63 : 637,090.95 = 168,455.41 : x
  2. Step 2: Convert to fraction form
    424,882.63/637,090.95 = 168,455.41/x
  3. Step 3: Cross multiply
    424,882.63x = 637,090.95 × 168,455.41
  4. Step 4: Simplify right side
    424,882.63x = 107,321,417,189.54
  5. Step 5: Solve for x
    x = 107,321,417,189.54/424,882.63
  6. Step 6: Final answer
    x = 252,590.74

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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.