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Finding the Fourth Proportional to 574,445.16, 792,854.46 and 345,013.11

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Solution

The fourth proportional to 574,445.16, 792,854.46 and 345,013.11 is: 476,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,445.16 : 792,854.46 = 345,013.11 : x
  2. Step 2: Convert to fraction form
    574,445.16/792,854.46 = 345,013.11/x
  3. Step 3: Cross multiply
    574,445.16x = 792,854.46 × 345,013.11
  4. Step 4: Simplify right side
    574,445.16x = 273,545,183,021.97
  5. Step 5: Solve for x
    x = 273,545,183,021.97/574,445.16
  6. Step 6: Final answer
    x = 476,190.25

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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.