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Finding the Fourth Proportional to 424,846.36, 637,269.44 and 158,627.64

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Solution

The fourth proportional to 424,846.36, 637,269.44 and 158,627.64 is: 237,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,846.36 : 637,269.44 = 158,627.64 : x
  2. Step 2: Convert to fraction form
    424,846.36/637,269.44 = 158,627.64/x
  3. Step 3: Cross multiply
    424,846.36x = 637,269.44 × 158,627.64
  4. Step 4: Simplify right side
    424,846.36x = 101,088,547,311.32
  5. Step 5: Solve for x
    x = 101,088,547,311.32/424,846.36
  6. Step 6: Final answer
    x = 237,941.42

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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.