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Finding the Fourth Proportional to 571,469.76, 857,029.65 and 395,110.08

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Solution

The fourth proportional to 571,469.76, 857,029.65 and 395,110.08 is: 592,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,469.76 : 857,029.65 = 395,110.08 : x
  2. Step 2: Convert to fraction form
    571,469.76/857,029.65 = 395,110.08/x
  3. Step 3: Cross multiply
    571,469.76x = 857,029.65 × 395,110.08
  4. Step 4: Simplify right side
    571,469.76x = 338,621,053,573.87
  5. Step 5: Solve for x
    x = 338,621,053,573.87/571,469.76
  6. Step 6: Final answer
    x = 592,544.13

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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.