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Finding the Fourth Proportional to 555,711.67, 766,882.88 and 301,062.86

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Solution

The fourth proportional to 555,711.67, 766,882.88 and 301,062.86 is: 415,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,711.67 : 766,882.88 = 301,062.86 : x
  2. Step 2: Convert to fraction form
    555,711.67/766,882.88 = 301,062.86/x
  3. Step 3: Cross multiply
    555,711.67x = 766,882.88 × 301,062.86
  4. Step 4: Simplify right side
    555,711.67x = 230,879,950,056.08
  5. Step 5: Solve for x
    x = 230,879,950,056.08/555,711.67
  6. Step 6: Final answer
    x = 415,467.16

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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.