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Finding the Fourth Proportional to 340,617.51, 470,088.83 and 187,671.08

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Solution

The fourth proportional to 340,617.51, 470,088.83 and 187,671.08 is: 259,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,617.51 : 470,088.83 = 187,671.08 : x
  2. Step 2: Convert to fraction form
    340,617.51/470,088.83 = 187,671.08/x
  3. Step 3: Cross multiply
    340,617.51x = 470,088.83 × 187,671.08
  4. Step 4: Simplify right side
    340,617.51x = 88,222,080,066.44
  5. Step 5: Solve for x
    x = 88,222,080,066.44/340,617.51
  6. Step 6: Final answer
    x = 259,006.30

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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.