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Finding the Fourth Proportional to 376,381.89, 519,280.50 and 240,495.38

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Solution

The fourth proportional to 376,381.89, 519,280.50 and 240,495.38 is: 331,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,381.89 : 519,280.50 = 240,495.38 : x
  2. Step 2: Convert to fraction form
    376,381.89/519,280.50 = 240,495.38/x
  3. Step 3: Cross multiply
    376,381.89x = 519,280.50 × 240,495.38
  4. Step 4: Simplify right side
    376,381.89x = 124,884,558,577.69
  5. Step 5: Solve for x
    x = 124,884,558,577.69/376,381.89
  6. Step 6: Final answer
    x = 331,802.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.