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Finding the Fourth Proportional to 576,271.51, 795,358.78 and 343,713.35

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Solution

The fourth proportional to 576,271.51, 795,358.78 and 343,713.35 is: 474,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,271.51 : 795,358.78 = 343,713.35 : x
  2. Step 2: Convert to fraction form
    576,271.51/795,358.78 = 343,713.35/x
  3. Step 3: Cross multiply
    576,271.51x = 795,358.78 × 343,713.35
  4. Step 4: Simplify right side
    576,271.51x = 273,375,431,854.83
  5. Step 5: Solve for x
    x = 273,375,431,854.83/576,271.51
  6. Step 6: Final answer
    x = 474,386.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.