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Finding the Fourth Proportional to 571,528.44, 857,686.32 and 197,551.44

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Solution

The fourth proportional to 571,528.44, 857,686.32 and 197,551.44 is: 296,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,528.44 : 857,686.32 = 197,551.44 : x
  2. Step 2: Convert to fraction form
    571,528.44/857,686.32 = 197,551.44/x
  3. Step 3: Cross multiply
    571,528.44x = 857,686.32 × 197,551.44
  4. Step 4: Simplify right side
    571,528.44x = 169,437,167,584.30
  5. Step 5: Solve for x
    x = 169,437,167,584.30/571,528.44
  6. Step 6: Final answer
    x = 296,463.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.