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Finding the Fourth Proportional to 424,996.92, 637,057.98 and 188,451

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Solution

The fourth proportional to 424,996.92, 637,057.98 and 188,451 is: 282,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,996.92 : 637,057.98 = 188,451 : x
  2. Step 2: Convert to fraction form
    424,996.92/637,057.98 = 188,451/x
  3. Step 3: Cross multiply
    424,996.92x = 637,057.98 × 188,451
  4. Step 4: Simplify right side
    424,996.92x = 120,054,213,388.98
  5. Step 5: Solve for x
    x = 120,054,213,388.98/424,996.92
  6. Step 6: Final answer
    x = 282,482.55

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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.