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Finding the Fourth Proportional to 375,705.51, 563,644.67 and 122,994.15

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Solution

The fourth proportional to 375,705.51, 563,644.67 and 122,994.15 is: 184,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,705.51 : 563,644.67 = 122,994.15 : x
  2. Step 2: Convert to fraction form
    375,705.51/563,644.67 = 122,994.15/x
  3. Step 3: Cross multiply
    375,705.51x = 563,644.67 × 122,994.15
  4. Step 4: Simplify right side
    375,705.51x = 69,324,996,473.71
  5. Step 5: Solve for x
    x = 69,324,996,473.71/375,705.51
  6. Step 6: Final answer
    x = 184,519.51

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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.