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Finding the Fourth Proportional to 574,229.44, 792,420.06 and 319,575.16

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Solution

The fourth proportional to 574,229.44, 792,420.06 and 319,575.16 is: 441,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,229.44 : 792,420.06 = 319,575.16 : x
  2. Step 2: Convert to fraction form
    574,229.44/792,420.06 = 319,575.16/x
  3. Step 3: Cross multiply
    574,229.44x = 792,420.06 × 319,575.16
  4. Step 4: Simplify right side
    574,229.44x = 253,237,767,461.71
  5. Step 5: Solve for x
    x = 253,237,767,461.71/574,229.44
  6. Step 6: Final answer
    x = 441,004.50

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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.