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Finding the Fourth Proportional to 424,845.86, 637,268.81 and 158,627.14

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Solution

The fourth proportional to 424,845.86, 637,268.81 and 158,627.14 is: 237,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,845.86 : 637,268.81 = 158,627.14 : x
  2. Step 2: Convert to fraction form
    424,845.86/637,268.81 = 158,627.14/x
  3. Step 3: Cross multiply
    424,845.86x = 637,268.81 × 158,627.14
  4. Step 4: Simplify right side
    424,845.86x = 101,088,128,741.50
  5. Step 5: Solve for x
    x = 101,088,128,741.50/424,845.86
  6. Step 6: Final answer
    x = 237,940.72

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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.