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Finding the Fourth Proportional to 482,189.80, 722,486.94 and 341,697.64

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Solution

The fourth proportional to 482,189.80, 722,486.94 and 341,697.64 is: 511,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,189.80 : 722,486.94 = 341,697.64 : x
  2. Step 2: Convert to fraction form
    482,189.80/722,486.94 = 341,697.64/x
  3. Step 3: Cross multiply
    482,189.80x = 722,486.94 × 341,697.64
  4. Step 4: Simplify right side
    482,189.80x = 246,872,082,328.82
  5. Step 5: Solve for x
    x = 246,872,082,328.82/482,189.80
  6. Step 6: Final answer
    x = 511,981.14

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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.