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Finding the Fourth Proportional to 569,379.11, 785,719.29 and 336,956.70

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Solution

The fourth proportional to 569,379.11, 785,719.29 and 336,956.70 is: 464,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,379.11 : 785,719.29 = 336,956.70 : x
  2. Step 2: Convert to fraction form
    569,379.11/785,719.29 = 336,956.70/x
  3. Step 3: Cross multiply
    569,379.11x = 785,719.29 × 336,956.70
  4. Step 4: Simplify right side
    569,379.11x = 264,753,383,294.78
  5. Step 5: Solve for x
    x = 264,753,383,294.78/569,379.11
  6. Step 6: Final answer
    x = 464,986.12

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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.