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Finding the Fourth Proportional to 555,814.58, 767,026.79 and 301,165.70

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Solution

The fourth proportional to 555,814.58, 767,026.79 and 301,165.70 is: 415,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,814.58 : 767,026.79 = 301,165.70 : x
  2. Step 2: Convert to fraction form
    555,814.58/767,026.79 = 301,165.70/x
  3. Step 3: Cross multiply
    555,814.58x = 767,026.79 × 301,165.70
  4. Step 4: Simplify right side
    555,814.58x = 231,002,154,788.14
  5. Step 5: Solve for x
    x = 231,002,154,788.14/555,814.58
  6. Step 6: Final answer
    x = 415,610.11

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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.