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Finding the Fourth Proportional to 571,880.53, 857,826.96 and 172,524.77

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Solution

The fourth proportional to 571,880.53, 857,826.96 and 172,524.77 is: 258,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,880.53 : 857,826.96 = 172,524.77 : x
  2. Step 2: Convert to fraction form
    571,880.53/857,826.96 = 172,524.77/x
  3. Step 3: Cross multiply
    571,880.53x = 857,826.96 × 172,524.77
  4. Step 4: Simplify right side
    571,880.53x = 147,996,398,973.80
  5. Step 5: Solve for x
    x = 147,996,398,973.80/571,880.53
  6. Step 6: Final answer
    x = 258,789.01

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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.