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Finding the Fourth Proportional to 555,711.09, 766,882.08 and 301,062.27

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Solution

The fourth proportional to 555,711.09, 766,882.08 and 301,062.27 is: 415,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,711.09 : 766,882.08 = 301,062.27 : x
  2. Step 2: Convert to fraction form
    555,711.09/766,882.08 = 301,062.27/x
  3. Step 3: Cross multiply
    555,711.09x = 766,882.08 × 301,062.27
  4. Step 4: Simplify right side
    555,711.09x = 230,879,262,702.93
  5. Step 5: Solve for x
    x = 230,879,262,702.93/555,711.09
  6. Step 6: Final answer
    x = 415,466.36

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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.