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Finding the Fourth Proportional to 574,327.52, 792,572 and 319,673.24

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Solution

The fourth proportional to 574,327.52, 792,572 and 319,673.24 is: 441,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,327.52 : 792,572 = 319,673.24 : x
  2. Step 2: Convert to fraction form
    574,327.52/792,572 = 319,673.24/x
  3. Step 3: Cross multiply
    574,327.52x = 792,572 × 319,673.24
  4. Step 4: Simplify right side
    574,327.52x = 253,364,059,173.28
  5. Step 5: Solve for x
    x = 253,364,059,173.28/574,327.52
  6. Step 6: Final answer
    x = 441,149.08

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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.