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Finding the Fourth Proportional to 337,940.16, 506,436.48 and 262,716

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Solution

The fourth proportional to 337,940.16, 506,436.48 and 262,716 is: 393,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,940.16 : 506,436.48 = 262,716 : x
  2. Step 2: Convert to fraction form
    337,940.16/506,436.48 = 262,716/x
  3. Step 3: Cross multiply
    337,940.16x = 506,436.48 × 262,716
  4. Step 4: Simplify right side
    337,940.16x = 133,048,966,279.68
  5. Step 5: Solve for x
    x = 133,048,966,279.68/337,940.16
  6. Step 6: Final answer
    x = 393,705.70

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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.