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Finding the Fourth Proportional to 555,950.31, 767,190.87 and 301,296.03

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Solution

The fourth proportional to 555,950.31, 767,190.87 and 301,296.03 is: 415,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,950.31 : 767,190.87 = 301,296.03 : x
  2. Step 2: Convert to fraction form
    555,950.31/767,190.87 = 301,296.03/x
  3. Step 3: Cross multiply
    555,950.31x = 767,190.87 × 301,296.03
  4. Step 4: Simplify right side
    555,950.31x = 231,151,563,383.25
  5. Step 5: Solve for x
    x = 231,151,563,383.25/555,950.31
  6. Step 6: Final answer
    x = 415,777.38

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1.5x scale

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.