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Finding the Fourth Proportional to 570,729.49, 851,057.72 and 565,604.47

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Solution

The fourth proportional to 570,729.49, 851,057.72 and 565,604.47 is: 843,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,729.49 : 851,057.72 = 565,604.47 : x
  2. Step 2: Convert to fraction form
    570,729.49/851,057.72 = 565,604.47/x
  3. Step 3: Cross multiply
    570,729.49x = 851,057.72 × 565,604.47
  4. Step 4: Simplify right side
    570,729.49x = 481,362,050,660.01
  5. Step 5: Solve for x
    x = 481,362,050,660.01/570,729.49
  6. Step 6: Final answer
    x = 843,415.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.