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Finding the Fourth Proportional to 461,763.15, 691,399.16 and 301,442.04

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Solution

The fourth proportional to 461,763.15, 691,399.16 and 301,442.04 is: 451,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,763.15 : 691,399.16 = 301,442.04 : x
  2. Step 2: Convert to fraction form
    461,763.15/691,399.16 = 301,442.04/x
  3. Step 3: Cross multiply
    461,763.15x = 691,399.16 × 301,442.04
  4. Step 4: Simplify right side
    461,763.15x = 208,416,773,244.69
  5. Step 5: Solve for x
    x = 208,416,773,244.69/461,763.15
  6. Step 6: Final answer
    x = 451,349.95

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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.