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Finding the Fourth Proportional to 570,588.24, 855,965.81 and 171,260.58

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Solution

The fourth proportional to 570,588.24, 855,965.81 and 171,260.58 is: 256,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,588.24 : 855,965.81 = 171,260.58 : x
  2. Step 2: Convert to fraction form
    570,588.24/855,965.81 = 171,260.58/x
  3. Step 3: Cross multiply
    570,588.24x = 855,965.81 × 171,260.58
  4. Step 4: Simplify right side
    570,588.24x = 146,593,201,080.77
  5. Step 5: Solve for x
    x = 146,593,201,080.77/570,588.24
  6. Step 6: Final answer
    x = 256,915.92

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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.