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Finding the Fourth Proportional to 492,065.58, 679,100.67 and 301,205.10

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Solution

The fourth proportional to 492,065.58, 679,100.67 and 301,205.10 is: 415,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,065.58 : 679,100.67 = 301,205.10 : x
  2. Step 2: Convert to fraction form
    492,065.58/679,100.67 = 301,205.10/x
  3. Step 3: Cross multiply
    492,065.58x = 679,100.67 × 301,205.10
  4. Step 4: Simplify right side
    492,065.58x = 204,548,585,217.42
  5. Step 5: Solve for x
    x = 204,548,585,217.42/492,065.58
  6. Step 6: Final answer
    x = 415,693.75

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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.