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Finding the Fourth Proportional to 575,820.74, 794,635.37 and 317,697.67

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Solution

The fourth proportional to 575,820.74, 794,635.37 and 317,697.67 is: 438,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,820.74 : 794,635.37 = 317,697.67 : x
  2. Step 2: Convert to fraction form
    575,820.74/794,635.37 = 317,697.67/x
  3. Step 3: Cross multiply
    575,820.74x = 794,635.37 × 317,697.67
  4. Step 4: Simplify right side
    575,820.74x = 252,453,805,548.59
  5. Step 5: Solve for x
    x = 252,453,805,548.59/575,820.74
  6. Step 6: Final answer
    x = 438,424.30

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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.