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Finding the Fourth Proportional to 574,715.64, 793,047.91 and 353,917.83

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Solution

The fourth proportional to 574,715.64, 793,047.91 and 353,917.83 is: 488,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,715.64 : 793,047.91 = 353,917.83 : x
  2. Step 2: Convert to fraction form
    574,715.64/793,047.91 = 353,917.83/x
  3. Step 3: Cross multiply
    574,715.64x = 793,047.91 × 353,917.83
  4. Step 4: Simplify right side
    574,715.64x = 280,673,795,393.24
  5. Step 5: Solve for x
    x = 280,673,795,393.24/574,715.64
  6. Step 6: Final answer
    x = 488,369.86

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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.