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Finding the Fourth Proportional to 555,843, 767,066 and 301,194.64

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Solution

The fourth proportional to 555,843, 767,066 and 301,194.64 is: 415,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,843 : 767,066 = 301,194.64 : x
  2. Step 2: Convert to fraction form
    555,843/767,066 = 301,194.64/x
  3. Step 3: Cross multiply
    555,843x = 767,066 × 301,194.64
  4. Step 4: Simplify right side
    555,843x = 231,036,167,726.24
  5. Step 5: Solve for x
    x = 231,036,167,726.24/555,843
  6. Step 6: Final answer
    x = 415,650.04

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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.