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Finding the Fourth Proportional to 424,962.49, 637,512.98 and 125,473.34

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Solution

The fourth proportional to 424,962.49, 637,512.98 and 125,473.34 is: 188,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,962.49 : 637,512.98 = 125,473.34 : x
  2. Step 2: Convert to fraction form
    424,962.49/637,512.98 = 125,473.34/x
  3. Step 3: Cross multiply
    424,962.49x = 637,512.98 × 125,473.34
  4. Step 4: Simplify right side
    424,962.49x = 79,990,885,289.77
  5. Step 5: Solve for x
    x = 79,990,885,289.77/424,962.49
  6. Step 6: Final answer
    x = 188,230.46

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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.