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Finding the Fourth Proportional to 330,617, 456,253.08 and 179,714

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Solution

The fourth proportional to 330,617, 456,253.08 and 179,714 is: 248,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,617 : 456,253.08 = 179,714 : x
  2. Step 2: Convert to fraction form
    330,617/456,253.08 = 179,714/x
  3. Step 3: Cross multiply
    330,617x = 456,253.08 × 179,714
  4. Step 4: Simplify right side
    330,617x = 81,995,066,019.12
  5. Step 5: Solve for x
    x = 81,995,066,019.12/330,617
  6. Step 6: Final answer
    x = 248,006.20

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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.