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Finding the Fourth Proportional to 336,672, 464,617.44 and 185,778.72

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Solution

The fourth proportional to 336,672, 464,617.44 and 185,778.72 is: 256,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,672 : 464,617.44 = 185,778.72 : x
  2. Step 2: Convert to fraction form
    336,672/464,617.44 = 185,778.72/x
  3. Step 3: Cross multiply
    336,672x = 464,617.44 × 185,778.72
  4. Step 4: Simplify right side
    336,672x = 86,316,033,292.88
  5. Step 5: Solve for x
    x = 86,316,033,292.88/336,672
  6. Step 6: Final answer
    x = 256,380.20

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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.