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Finding the Fourth Proportional to 555,958.02, 767,201.43 and 301,303.74

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Solution

The fourth proportional to 555,958.02, 767,201.43 and 301,303.74 is: 415,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,958.02 : 767,201.43 = 301,303.74 : x
  2. Step 2: Convert to fraction form
    555,958.02/767,201.43 = 301,303.74/x
  3. Step 3: Cross multiply
    555,958.02x = 767,201.43 × 301,303.74
  4. Step 4: Simplify right side
    555,958.02x = 231,160,660,192.35
  5. Step 5: Solve for x
    x = 231,160,660,192.35/555,958.02
  6. Step 6: Final answer
    x = 415,787.98

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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.