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Finding the Fourth Proportional to 555,851.70, 767,076.08 and 301,202.69

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Solution

The fourth proportional to 555,851.70, 767,076.08 and 301,202.69 is: 415,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,851.70 : 767,076.08 = 301,202.69 : x
  2. Step 2: Convert to fraction form
    555,851.70/767,076.08 = 301,202.69/x
  3. Step 3: Cross multiply
    555,851.70x = 767,076.08 × 301,202.69
  4. Step 4: Simplify right side
    555,851.70x = 231,045,373,389.26
  5. Step 5: Solve for x
    x = 231,045,373,389.26/555,851.70
  6. Step 6: Final answer
    x = 415,660.10

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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.