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Finding the Fourth Proportional to 424,771.56, 637,268.04 and 158,534.28

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Solution

The fourth proportional to 424,771.56, 637,268.04 and 158,534.28 is: 237,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,771.56 : 637,268.04 = 158,534.28 : x
  2. Step 2: Convert to fraction form
    424,771.56/637,268.04 = 158,534.28/x
  3. Step 3: Cross multiply
    424,771.56x = 637,268.04 × 158,534.28
  4. Step 4: Simplify right side
    424,771.56x = 101,028,829,888.41
  5. Step 5: Solve for x
    x = 101,028,829,888.41/424,771.56
  6. Step 6: Final answer
    x = 237,842.74

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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.