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Finding the Fourth Proportional to 1,571.45, 2,357.71 and 597.69

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Solution

The fourth proportional to 1,571.45, 2,357.71 and 597.69 is: 896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.45 : 2,357.71 = 597.69 : x
  2. Step 2: Convert to fraction form
    1,571.45/2,357.71 = 597.69/x
  3. Step 3: Cross multiply
    1,571.45x = 2,357.71 × 597.69
  4. Step 4: Simplify right side
    1,571.45x = 1,409,178.20
  5. Step 5: Solve for x
    x = 1,409,178.20/1,571.45
  6. Step 6: Final answer
    x = 896.74

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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.