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Finding the Fourth Proportional to 345,454.65, 476,714.83 and 192,484.93

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Solution

The fourth proportional to 345,454.65, 476,714.83 and 192,484.93 is: 265,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,454.65 : 476,714.83 = 192,484.93 : x
  2. Step 2: Convert to fraction form
    345,454.65/476,714.83 = 192,484.93/x
  3. Step 3: Cross multiply
    345,454.65x = 476,714.83 × 192,484.93
  4. Step 4: Simplify right side
    345,454.65x = 91,760,420,682.51
  5. Step 5: Solve for x
    x = 91,760,420,682.51/345,454.65
  6. Step 6: Final answer
    x = 265,622.19

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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.