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Finding the Fourth Proportional to 577,855.13, 797,760.77 and 348,470.51

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Solution

The fourth proportional to 577,855.13, 797,760.77 and 348,470.51 is: 481,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,855.13 : 797,760.77 = 348,470.51 : x
  2. Step 2: Convert to fraction form
    577,855.13/797,760.77 = 348,470.51/x
  3. Step 3: Cross multiply
    577,855.13x = 797,760.77 × 348,470.51
  4. Step 4: Simplify right side
    577,855.13x = 277,996,096,648.74
  5. Step 5: Solve for x
    x = 277,996,096,648.74/577,855.13
  6. Step 6: Final answer
    x = 481,082.69

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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.