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Finding the Fourth Proportional to 555,652.40, 766,798.44 and 301,003.28

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Solution

The fourth proportional to 555,652.40, 766,798.44 and 301,003.28 is: 415,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,652.40 : 766,798.44 = 301,003.28 : x
  2. Step 2: Convert to fraction form
    555,652.40/766,798.44 = 301,003.28/x
  3. Step 3: Cross multiply
    555,652.40x = 766,798.44 × 301,003.28
  4. Step 4: Simplify right side
    555,652.40x = 230,808,845,538.88
  5. Step 5: Solve for x
    x = 230,808,845,538.88/555,652.40
  6. Step 6: Final answer
    x = 415,383.51

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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.