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Finding the Fourth Proportional to 574,292.01, 792,549.22 and 319,659.60

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Solution

The fourth proportional to 574,292.01, 792,549.22 and 319,659.60 is: 441,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,292.01 : 792,549.22 = 319,659.60 : x
  2. Step 2: Convert to fraction form
    574,292.01/792,549.22 = 319,659.60/x
  3. Step 3: Cross multiply
    574,292.01x = 792,549.22 × 319,659.60
  4. Step 4: Simplify right side
    574,292.01x = 253,345,966,645.51
  5. Step 5: Solve for x
    x = 253,345,966,645.51/574,292.01
  6. Step 6: Final answer
    x = 441,144.86

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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.