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Finding the Fourth Proportional to 574,461.51, 861,785.82 and 169,694.79

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Solution

The fourth proportional to 574,461.51, 861,785.82 and 169,694.79 is: 254,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,461.51 : 861,785.82 = 169,694.79 : x
  2. Step 2: Convert to fraction form
    574,461.51/861,785.82 = 169,694.79/x
  3. Step 3: Cross multiply
    574,461.51x = 861,785.82 × 169,694.79
  4. Step 4: Simplify right side
    574,461.51x = 146,240,563,749.88
  5. Step 5: Solve for x
    x = 146,240,563,749.88/574,461.51
  6. Step 6: Final answer
    x = 254,569.82

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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.