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Finding the Fourth Proportional to 749,662.08, 1,034,431.68 and 447,792

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Solution

The fourth proportional to 749,662.08, 1,034,431.68 and 447,792 is: 617,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,662.08 : 1,034,431.68 = 447,792 : x
  2. Step 2: Convert to fraction form
    749,662.08/1,034,431.68 = 447,792/x
  3. Step 3: Cross multiply
    749,662.08x = 1,034,431.68 × 447,792
  4. Step 4: Simplify right side
    749,662.08x = 463,210,230,850.56
  5. Step 5: Solve for x
    x = 463,210,230,850.56/749,662.08
  6. Step 6: Final answer
    x = 617,892.04

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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.