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Finding the Fourth Proportional to 574,999.30, 792,960.83 and 454,428.63

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Solution

The fourth proportional to 574,999.30, 792,960.83 and 454,428.63 is: 626,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,999.30 : 792,960.83 = 454,428.63 : x
  2. Step 2: Convert to fraction form
    574,999.30/792,960.83 = 454,428.63/x
  3. Step 3: Cross multiply
    574,999.30x = 792,960.83 × 454,428.63
  4. Step 4: Simplify right side
    574,999.30x = 360,344,103,620.56
  5. Step 5: Solve for x
    x = 360,344,103,620.56/574,999.30
  6. Step 6: Final answer
    x = 626,686.16

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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.