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Finding the Fourth Proportional to 575,620.83, 794,404.26 and 317,548.35

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Solution

The fourth proportional to 575,620.83, 794,404.26 and 317,548.35 is: 438,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,620.83 : 794,404.26 = 317,548.35 : x
  2. Step 2: Convert to fraction form
    575,620.83/794,404.26 = 317,548.35/x
  3. Step 3: Cross multiply
    575,620.83x = 794,404.26 × 317,548.35
  4. Step 4: Simplify right side
    575,620.83x = 252,261,761,995.97
  5. Step 5: Solve for x
    x = 252,261,761,995.97/575,620.83
  6. Step 6: Final answer
    x = 438,242.94

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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.