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Finding the Fourth Proportional to 575,909.86, 794,750.16 and 317,789.14

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Solution

The fourth proportional to 575,909.86, 794,750.16 and 317,789.14 is: 438,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,909.86 : 794,750.16 = 317,789.14 : x
  2. Step 2: Convert to fraction form
    575,909.86/794,750.16 = 317,789.14/x
  3. Step 3: Cross multiply
    575,909.86x = 794,750.16 × 317,789.14
  4. Step 4: Simplify right side
    575,909.86x = 252,562,969,861.26
  5. Step 5: Solve for x
    x = 252,562,969,861.26/575,909.86
  6. Step 6: Final answer
    x = 438,546.01

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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.