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Finding the Fourth Proportional to 574,141.62, 792,309.20 and 316,013.06

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Solution

The fourth proportional to 574,141.62, 792,309.20 and 316,013.06 is: 436,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,141.62 : 792,309.20 = 316,013.06 : x
  2. Step 2: Convert to fraction form
    574,141.62/792,309.20 = 316,013.06/x
  3. Step 3: Cross multiply
    574,141.62x = 792,309.20 × 316,013.06
  4. Step 4: Simplify right side
    574,141.62x = 250,380,049,216.54
  5. Step 5: Solve for x
    x = 250,380,049,216.54/574,141.62
  6. Step 6: Final answer
    x = 436,094.58

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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.