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Finding the Fourth Proportional to 662,699.94, 994,082.70 and 189,455.04

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Solution

The fourth proportional to 662,699.94, 994,082.70 and 189,455.04 is: 284,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,699.94 : 994,082.70 = 189,455.04 : x
  2. Step 2: Convert to fraction form
    662,699.94/994,082.70 = 189,455.04/x
  3. Step 3: Cross multiply
    662,699.94x = 994,082.70 × 189,455.04
  4. Step 4: Simplify right side
    662,699.94x = 188,333,977,691.81
  5. Step 5: Solve for x
    x = 188,333,977,691.81/662,699.94
  6. Step 6: Final answer
    x = 284,191.93

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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.