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Finding the Fourth Proportional to 574,430.46, 792,713.70 and 319,841.79

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Solution

The fourth proportional to 574,430.46, 792,713.70 and 319,841.79 is: 441,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,430.46 : 792,713.70 = 319,841.79 : x
  2. Step 2: Convert to fraction form
    574,430.46/792,713.70 = 319,841.79/x
  3. Step 3: Cross multiply
    574,430.46x = 792,713.70 × 319,841.79
  4. Step 4: Simplify right side
    574,430.46x = 253,542,968,765.52
  5. Step 5: Solve for x
    x = 253,542,968,765.52/574,430.46
  6. Step 6: Final answer
    x = 441,381.48

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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.