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Finding the Fourth Proportional to 555,954.02, 767,216.40 and 301,305.23

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Solution

The fourth proportional to 555,954.02, 767,216.40 and 301,305.23 is: 415,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,954.02 : 767,216.40 = 301,305.23 : x
  2. Step 2: Convert to fraction form
    555,954.02/767,216.40 = 301,305.23/x
  3. Step 3: Cross multiply
    555,954.02x = 767,216.40 × 301,305.23
  4. Step 4: Simplify right side
    555,954.02x = 231,166,313,861.77
  5. Step 5: Solve for x
    x = 231,166,313,861.77/555,954.02
  6. Step 6: Final answer
    x = 415,801.14

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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.