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Finding the Fourth Proportional to 574,999.05, 792,960.49 and 454,428.38

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Solution

The fourth proportional to 574,999.05, 792,960.49 and 454,428.38 is: 626,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,999.05 : 792,960.49 = 454,428.38 : x
  2. Step 2: Convert to fraction form
    574,999.05/792,960.49 = 454,428.38/x
  3. Step 3: Cross multiply
    574,999.05x = 792,960.49 × 454,428.38
  4. Step 4: Simplify right side
    574,999.05x = 360,343,751,721.04
  5. Step 5: Solve for x
    x = 360,343,751,721.04/574,999.05
  6. Step 6: Final answer
    x = 626,685.82

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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.