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Finding the Fourth Proportional to 575,749.64, 794,536.50 and 321,153.80

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Solution

The fourth proportional to 575,749.64, 794,536.50 and 321,153.80 is: 443,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,749.64 : 794,536.50 = 321,153.80 : x
  2. Step 2: Convert to fraction form
    575,749.64/794,536.50 = 321,153.80/x
  3. Step 3: Cross multiply
    575,749.64x = 794,536.50 × 321,153.80
  4. Step 4: Simplify right side
    575,749.64x = 255,168,416,213.70
  5. Step 5: Solve for x
    x = 255,168,416,213.70/575,749.64
  6. Step 6: Final answer
    x = 443,193.36

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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.