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Finding the Fourth Proportional to 575,777.06, 794,567.90 and 317,664.89

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Solution

The fourth proportional to 575,777.06, 794,567.90 and 317,664.89 is: 438,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,777.06 : 794,567.90 = 317,664.89 : x
  2. Step 2: Convert to fraction form
    575,777.06/794,567.90 = 317,664.89/x
  3. Step 3: Cross multiply
    575,777.06x = 794,567.90 × 317,664.89
  4. Step 4: Simplify right side
    575,777.06x = 252,406,324,351.98
  5. Step 5: Solve for x
    x = 252,406,324,351.98/575,777.06
  6. Step 6: Final answer
    x = 438,375.09

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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.