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Finding the Fourth Proportional to 575,359.50, 794,336.63 and 511,520.97

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Solution

The fourth proportional to 575,359.50, 794,336.63 and 511,520.97 is: 706,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,359.50 : 794,336.63 = 511,520.97 : x
  2. Step 2: Convert to fraction form
    575,359.50/794,336.63 = 511,520.97/x
  3. Step 3: Cross multiply
    575,359.50x = 794,336.63 × 511,520.97
  4. Step 4: Simplify right side
    575,359.50x = 406,319,843,905.29
  5. Step 5: Solve for x
    x = 406,319,843,905.29/575,359.50
  6. Step 6: Final answer
    x = 706,201.67

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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.