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Finding the Fourth Proportional to 574,486.67, 792,833.76 and 411,158.51

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Solution

The fourth proportional to 574,486.67, 792,833.76 and 411,158.51 is: 567,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,486.67 : 792,833.76 = 411,158.51 : x
  2. Step 2: Convert to fraction form
    574,486.67/792,833.76 = 411,158.51/x
  3. Step 3: Cross multiply
    574,486.67x = 792,833.76 × 411,158.51
  4. Step 4: Simplify right side
    574,486.67x = 325,980,347,439.30
  5. Step 5: Solve for x
    x = 325,980,347,439.30/574,486.67
  6. Step 6: Final answer
    x = 567,428.91

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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.