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Finding the Fourth Proportional to 555,810.73, 767,019.35 and 301,161.93

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Solution

The fourth proportional to 555,810.73, 767,019.35 and 301,161.93 is: 415,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,810.73 : 767,019.35 = 301,161.93 : x
  2. Step 2: Convert to fraction form
    555,810.73/767,019.35 = 301,161.93/x
  3. Step 3: Cross multiply
    555,810.73x = 767,019.35 × 301,161.93
  4. Step 4: Simplify right side
    555,810.73x = 230,997,027,793.35
  5. Step 5: Solve for x
    x = 230,997,027,793.35/555,810.73
  6. Step 6: Final answer
    x = 415,603.76

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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.