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Finding the Fourth Proportional to 305,729.44, 458,094.72 and 185,823.07

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Solution

The fourth proportional to 305,729.44, 458,094.72 and 185,823.07 is: 278,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,729.44 : 458,094.72 = 185,823.07 : x
  2. Step 2: Convert to fraction form
    305,729.44/458,094.72 = 185,823.07/x
  3. Step 3: Cross multiply
    305,729.44x = 458,094.72 × 185,823.07
  4. Step 4: Simplify right side
    305,729.44x = 85,124,566,772.79
  5. Step 5: Solve for x
    x = 85,124,566,772.79/305,729.44
  6. Step 6: Final answer
    x = 278,431.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.